1988710

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2801}}^1$

素因数の和:2879

約数の個数: 16

約数和(自身を含む): 3631392

約数和(自身を除く): 1642682

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 2801, 5602, 14005, 28010, 198871, 397742, 994355, 1988710]

約数ペア:

[(1, 1988710), (2, 994355), (5, 397742), (10, 198871), (71, 28010), (142, 14005), (355, 5602), (710, 2801)]