261660620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{34703}}^1$

素因数の和:34754

約数の個数: 48

約数和(自身を含む): 612178560

約数和(自身を除く): 350517940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1508, 1885, 3770, 7540, 34703, 69406, 138812, 173515, 347030, 451139, 694060, 902278, 1006387, 1804556, 2012774, 2255695, 4025548, 4511390, 5031935, 9022780, 10063870, 13083031, 20127740, 26166062, 52332124, 65415155, 130830310, 261660620]

約数ペア:

[(1, 261660620), (2, 130830310), (4, 65415155), (5, 52332124), (10, 26166062), (13, 20127740), (20, 13083031), (26, 10063870), (29, 9022780), (52, 5031935), (58, 4511390), (65, 4025548), (116, 2255695), (130, 2012774), (145, 1804556), (260, 1006387), (290, 902278), (377, 694060), (580, 451139), (754, 347030), (1508, 173515), (1885, 138812), (3770, 69406), (7540, 34703)]