140186660

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1\times {\mathrm{367}}^1$

素因数の和:716

約数の個数: 48

約数和(自身を含む): 300464640

約数和(自身を除く): 160277980

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 269, 284, 355, 367, 538, 710, 734, 1076, 1345, 1420, 1468, 1835, 2690, 3670, 5380, 7340, 19099, 26057, 38198, 52114, 76396, 95495, 98723, 104228, 130285, 190990, 197446, 260570, 381980, 394892, 493615, 521140, 987230, 1974460, 7009333, 14018666, 28037332, 35046665, 70093330, 140186660]

約数ペア:

[(1, 140186660), (2, 70093330), (4, 35046665), (5, 28037332), (10, 14018666), (20, 7009333), (71, 1974460), (142, 987230), (269, 521140), (284, 493615), (355, 394892), (367, 381980), (538, 260570), (710, 197446), (734, 190990), (1076, 130285), (1345, 104228), (1420, 98723), (1468, 95495), (1835, 76396), (2690, 52114), (3670, 38198), (5380, 26057), (7340, 19099)]