139511240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{317071}}^1$

素因数の和:317093

約数の個数: 32

約数和(自身を含む): 342437760

約数和(自身を除く): 202926520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 317071, 634142, 1268284, 1585355, 2536568, 3170710, 3487781, 6341420, 6975562, 12682840, 13951124, 17438905, 27902248, 34877810, 69755620, 139511240]

約数ペア:

[(1, 139511240), (2, 69755620), (4, 34877810), (5, 27902248), (8, 17438905), (10, 13951124), (11, 12682840), (20, 6975562), (22, 6341420), (40, 3487781), (44, 3170710), (55, 2536568), (88, 1585355), (110, 1268284), (220, 634142), (440, 317071)]