201557020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1439693}}^1$

素因数の和:1439709

約数の個数: 24

約数和(自身を含む): 483737184

約数和(自身を除く): 282180164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1439693, 2879386, 5758772, 7198465, 10077851, 14396930, 20155702, 28793860, 40311404, 50389255, 100778510, 201557020]

約数ペア:

[(1, 201557020), (2, 100778510), (4, 50389255), (5, 40311404), (7, 28793860), (10, 20155702), (14, 14396930), (20, 10077851), (28, 7198465), (35, 5758772), (70, 2879386), (140, 1439693)]