870810220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{6220073}}^1$

素因数の和:6220089

約数の個数: 24

約数和(自身を含む): 2089944864

約数和(自身を除く): 1219134644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 6220073, 12440146, 24880292, 31100365, 43540511, 62200730, 87081022, 124401460, 174162044, 217702555, 435405110, 870810220]

約数ペア:

[(1, 870810220), (2, 435405110), (4, 217702555), (5, 174162044), (7, 124401460), (10, 87081022), (14, 62200730), (20, 43540511), (28, 31100365), (35, 24880292), (70, 12440146), (140, 6220073)]