163950220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1171073}}^1$

素因数の和:1171089

約数の個数: 24

約数和(自身を含む): 393480864

約数和(自身を除く): 229530644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1171073, 2342146, 4684292, 5855365, 8197511, 11710730, 16395022, 23421460, 32790044, 40987555, 81975110, 163950220]

約数ペア:

[(1, 163950220), (2, 81975110), (4, 40987555), (5, 32790044), (7, 23421460), (10, 16395022), (14, 11710730), (20, 8197511), (28, 5855365), (35, 4684292), (70, 2342146), (140, 1171073)]