426876140

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1\times {\mathrm{577}}^1$

素因数の和:1178

約数の個数: 48

約数和(自身を含む): 912389184

約数和(自身を除く): 485513044

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 521, 577, 710, 1042, 1154, 1420, 2084, 2308, 2605, 2885, 5210, 5770, 10420, 11540, 36991, 40967, 73982, 81934, 147964, 163868, 184955, 204835, 300617, 369910, 409670, 601234, 739820, 819340, 1202468, 1503085, 3006170, 6012340, 21343807, 42687614, 85375228, 106719035, 213438070, 426876140]

約数ペア:

[(1, 426876140), (2, 213438070), (4, 106719035), (5, 85375228), (10, 42687614), (20, 21343807), (71, 6012340), (142, 3006170), (284, 1503085), (355, 1202468), (521, 819340), (577, 739820), (710, 601234), (1042, 409670), (1154, 369910), (1420, 300617), (2084, 204835), (2308, 184955), (2605, 163868), (2885, 147964), (5210, 81934), (5770, 73982), (10420, 40967), (11540, 36991)]