Search: id:A153501
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%I A153501
%S A153501 12,18,20,24,40,56,88,104,120,196,224,234,368,464,650,672,992,1504,1888,
%T A153501 1952,3724,5624,9112,11096,13736,15376,15872,16256,17816,24448,28544,
%U A153501 30592,32128,77744,98048,122624,128768,130304,174592,396896,507392
%N A153501 Abundant numbers n such that n/(sigma(n)-2n) is an integer.
%C A153501 Sigma(n)-2n is the abundance of n. The only odd term in this sequence 
               < 4*10^10 is 173369889.
%e A153501 The abundance of 174592 = sigma(174592)-2*174592 = 43648. 174592/43648 
               = 4.
%Y A153501 Cf. A000203, A005101, A033880.
%Y A153501 Sequence in context: A005101 A124626 A087245 this_sequence A030515 A162947 
               A070011
%Y A153501 Adjacent sequences: A153498 A153499 A153500 this_sequence A153502 A153503 
               A153504
%K A153501 nonn
%O A153501 1,1
%A A153501 Donovan Johnson (donovan.johnson(AT)yahoo.com), Jan 02 2009

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