id:A023198 - OEIS Search Results

Search: id:A023198

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Numbers n such that sigma(n) >= 4n.

+0
2

27720, 30240, 32760, 50400, 55440, 60480, 65520, 75600, 83160, 85680, 90720, 95760, 98280, 100800, 105840, 110880, 115920, 120120, 120960, 128520, 131040, 138600, 141120, 143640, 151200, 163800, 166320, 171360, 176400, 180180, 181440, 184800 (list; graph; listen)

	OFFSET	`1,1`
	CROSSREFS	`Sequence in context: A097244 A101214 A079321 this_sequence A068404 A023943 A096027` `Adjacent sequences: A023195 A023196 A023197 this_sequence A023199 A023200 A023201`
	KEYWORD	`nonn`
	AUTHOR	`David W. Wilson (davidwwilson(AT)comcast.net)`

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Last modified March 18 15:35 EDT 2010. Contains 173617 sequences.

AT&T Labs Research