266943940

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{733}}^1$

素因数の和:1012

約数の個数: 48

約数和(自身を含む): 569701440

約数和(自身を除く): 302757500

約数列:

[1, 2, 4, 5, 10, 20, 131, 139, 262, 278, 524, 556, 655, 695, 733, 1310, 1390, 1466, 2620, 2780, 2932, 3665, 7330, 14660, 18209, 36418, 72836, 91045, 96023, 101887, 182090, 192046, 203774, 364180, 384092, 407548, 480115, 509435, 960230, 1018870, 1920460, 2037740, 13347197, 26694394, 53388788, 66735985, 133471970, 266943940]

約数ペア:

[(1, 266943940), (2, 133471970), (4, 66735985), (5, 53388788), (10, 26694394), (20, 13347197), (131, 2037740), (139, 1920460), (262, 1018870), (278, 960230), (524, 509435), (556, 480115), (655, 407548), (695, 384092), (733, 364180), (1310, 203774), (1390, 192046), (1466, 182090), (2620, 101887), (2780, 96023), (2932, 91045), (3665, 72836), (7330, 36418), (14660, 18209)]