870865660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{6220469}}^1$

素因数の和:6220485

約数の個数: 24

約数和(自身を含む): 2090077920

約数和(自身を除く): 1219212260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 6220469, 12440938, 24881876, 31102345, 43543283, 62204690, 87086566, 124409380, 174173132, 217716415, 435432830, 870865660]

約数ペア:

[(1, 870865660), (2, 435432830), (4, 217716415), (5, 174173132), (7, 124409380), (10, 87086566), (14, 62204690), (20, 43543283), (28, 31102345), (35, 24881876), (70, 12440938), (140, 6220469)]