290730530

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{398261}}^1$

素因数の和:398341

約数の個数: 16

約数和(自身を含む): 530484984

約数和(自身を除く): 239754454

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 398261, 796522, 1991305, 3982610, 29073053, 58146106, 145365265, 290730530]

約数ペア:

[(1, 290730530), (2, 145365265), (5, 58146106), (10, 29073053), (73, 3982610), (146, 1991305), (365, 796522), (730, 398261)]