420227696950

素因数分解:

$2^1\times 5^2\times {\mathrm{647}}^1\times {\mathrm{3389}}^1\times {\mathrm{3833}}^1$

素因数の和:7881

約数の個数: 48

約数和(自身を含む): 783266876640

約数和(自身を除く): 363039179690

約数列:

[1, 2, 5, 10, 25, 50, 647, 1294, 3235, 3389, 3833, 6470, 6778, 7666, 16175, 16945, 19165, 32350, 33890, 38330, 84725, 95825, 169450, 191650, 2192683, 2479951, 4385366, 4959902, 10963415, 12399755, 12990037, 21926830, 24799510, 25980074, 54817075, 61998775, 64950185, 109634150, 123997550, 129900370, 324750925, 649501850, 8404553939, 16809107878, 42022769695, 84045539390, 210113848475, 420227696950]

約数ペア:

[(1, 420227696950), (2, 210113848475), (5, 84045539390), (10, 42022769695), (25, 16809107878), (50, 8404553939), (647, 649501850), (1294, 324750925), (3235, 129900370), (3389, 123997550), (3833, 109634150), (6470, 64950185), (6778, 61998775), (7666, 54817075), (16175, 25980074), (16945, 24799510), (19165, 21926830), (32350, 12990037), (33890, 12399755), (38330, 10963415), (84725, 4959902), (95825, 4385366), (169450, 2479951), (191650, 2192683)]