30940522

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{1999}}^1$

素因数の和:2181

約数の個数: 16

約数和(自身を含む): 47520000

約数和(自身を除く): 16579478

約数列:

[1, 2, 71, 109, 142, 218, 1999, 3998, 7739, 15478, 141929, 217891, 283858, 435782, 15470261, 30940522]

約数ペア:

[(1, 30940522), (2, 15470261), (71, 435782), (109, 283858), (142, 217891), (218, 141929), (1999, 15478), (3998, 7739)]