289186960

素因数分解:

$2^4\times 5^1\times {\mathrm{313}}^1\times {\mathrm{11549}}^1$

素因数の和:11875

約数の個数: 40

約数和(自身を含む): 674566200

約数和(自身を除く): 385379240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 313, 626, 1252, 1565, 2504, 3130, 5008, 6260, 11549, 12520, 23098, 25040, 46196, 57745, 92392, 115490, 184784, 230980, 461960, 923920, 3614837, 7229674, 14459348, 18074185, 28918696, 36148370, 57837392, 72296740, 144593480, 289186960]

約数ペア:

[(1, 289186960), (2, 144593480), (4, 72296740), (5, 57837392), (8, 36148370), (10, 28918696), (16, 18074185), (20, 14459348), (40, 7229674), (80, 3614837), (313, 923920), (626, 461960), (1252, 230980), (1565, 184784), (2504, 115490), (3130, 92392), (5008, 57745), (6260, 46196), (11549, 25040), (12520, 23098)]