21777887050

素因数分解:

$2^1\times 5^2\times {\mathrm{197}}^1\times {\mathrm{821}}^1\times {\mathrm{2693}}^1$

素因数の和:3723

約数の個数: 48

約数和(自身を含む): 40777213752

約数和(自身を除く): 18999326702

約数列:

[1, 2, 5, 10, 25, 50, 197, 394, 821, 985, 1642, 1970, 2693, 4105, 4925, 5386, 8210, 9850, 13465, 20525, 26930, 41050, 67325, 134650, 161737, 323474, 530521, 808685, 1061042, 1617370, 2210953, 2652605, 4043425, 4421906, 5305210, 8086850, 11054765, 13263025, 22109530, 26526050, 55273825, 110547650, 435557741, 871115482, 2177788705, 4355577410, 10888943525, 21777887050]

約数ペア:

[(1, 21777887050), (2, 10888943525), (5, 4355577410), (10, 2177788705), (25, 871115482), (50, 435557741), (197, 110547650), (394, 55273825), (821, 26526050), (985, 22109530), (1642, 13263025), (1970, 11054765), (2693, 8086850), (4105, 5305210), (4925, 4421906), (5386, 4043425), (8210, 2652605), (9850, 2210953), (13465, 1617370), (20525, 1061042), (26930, 808685), (41050, 530521), (67325, 323474), (134650, 161737)]