61557020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{439693}}^1$

素因数の和:439709

約数の個数: 24

約数和(自身を含む): 147737184

約数和(自身を除く): 86180164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 439693, 879386, 1758772, 2198465, 3077851, 4396930, 6155702, 8793860, 12311404, 15389255, 30778510, 61557020]

約数ペア:

[(1, 61557020), (2, 30778510), (4, 15389255), (5, 12311404), (7, 8793860), (10, 6155702), (14, 4396930), (20, 3077851), (28, 2198465), (35, 1758772), (70, 879386), (140, 439693)]