313103680

素因数分解:

$2^6\times 5^1\times {\mathrm{978449}}^1$

素因数の和:978466

約数の個数: 28

約数和(自身を含む): 745578900

約数和(自身を除く): 432475220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 978449, 1956898, 3913796, 4892245, 7827592, 9784490, 15655184, 19568980, 31310368, 39137960, 62620736, 78275920, 156551840, 313103680]

約数ペア:

[(1, 313103680), (2, 156551840), (4, 78275920), (5, 62620736), (8, 39137960), (10, 31310368), (16, 19568980), (20, 15655184), (32, 9784490), (40, 7827592), (64, 4892245), (80, 3913796), (160, 1956898), (320, 978449)]