8874290

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:538

約数の個数: 32

約数和(自身を含む): 16796160

約数和(自身を除く): 7921870

約数列:

[1, 2, 5, 10, 29, 58, 71, 142, 145, 290, 355, 431, 710, 862, 2059, 2155, 4118, 4310, 10295, 12499, 20590, 24998, 30601, 61202, 62495, 124990, 153005, 306010, 887429, 1774858, 4437145, 8874290]

約数ペア:

[(1, 8874290), (2, 4437145), (5, 1774858), (10, 887429), (29, 306010), (58, 153005), (71, 124990), (142, 62495), (145, 61202), (290, 30601), (355, 24998), (431, 20590), (710, 12499), (862, 10295), (2059, 4310), (2155, 4118)]