158609740

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{111697}}^1$

素因数の和:111777

約数の個数: 24

約数和(自身を含む): 337774752

約数和(自身を除く): 179165012

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 111697, 223394, 446788, 558485, 1116970, 2233940, 7930487, 15860974, 31721948, 39652435, 79304870, 158609740]

約数ペア:

[(1, 158609740), (2, 79304870), (4, 39652435), (5, 31721948), (10, 15860974), (20, 7930487), (71, 2233940), (142, 1116970), (284, 558485), (355, 446788), (710, 223394), (1420, 111697)]