201249620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{6397}}^1$

素因数の和:6441

約数の個数: 72

約数和(自身を含む): 500349192

約数和(自身を除く): 299099572

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 121, 130, 143, 220, 242, 260, 286, 484, 572, 605, 715, 1210, 1430, 1573, 2420, 2860, 3146, 6292, 6397, 7865, 12794, 15730, 25588, 31460, 31985, 63970, 70367, 83161, 127940, 140734, 166322, 281468, 332644, 351835, 415805, 703670, 774037, 831610, 914771, 1407340, 1548074, 1663220, 1829542, 3096148, 3659084, 3870185, 4573855, 7740370, 9147710, 10062481, 15480740, 18295420, 20124962, 40249924, 50312405, 100624810, 201249620]

約数ペア:

[(1, 201249620), (2, 100624810), (4, 50312405), (5, 40249924), (10, 20124962), (11, 18295420), (13, 15480740), (20, 10062481), (22, 9147710), (26, 7740370), (44, 4573855), (52, 3870185), (55, 3659084), (65, 3096148), (110, 1829542), (121, 1663220), (130, 1548074), (143, 1407340), (220, 914771), (242, 831610), (260, 774037), (286, 703670), (484, 415805), (572, 351835), (605, 332644), (715, 281468), (1210, 166322), (1430, 140734), (1573, 127940), (2420, 83161), (2860, 70367), (3146, 63970), (6292, 31985), (6397, 31460), (7865, 25588), (12794, 15730)]