201915080

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{69149}}^1$

素因数の和:69233

約数の個数: 32

約数和(自身を含む): 460539000

約数和(自身を除く): 258623920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 69149, 138298, 276596, 345745, 553192, 691490, 1382980, 2765960, 5047877, 10095754, 20191508, 25239385, 40383016, 50478770, 100957540, 201915080]

約数ペア:

[(1, 201915080), (2, 100957540), (4, 50478770), (5, 40383016), (8, 25239385), (10, 20191508), (20, 10095754), (40, 5047877), (73, 2765960), (146, 1382980), (292, 691490), (365, 553192), (584, 345745), (730, 276596), (1460, 138298), (2920, 69149)]