27730220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{198073}}^1$

素因数の和:198089

約数の個数: 24

約数和(自身を含む): 66552864

約数和(自身を除く): 38822644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 198073, 396146, 792292, 990365, 1386511, 1980730, 2773022, 3961460, 5546044, 6932555, 13865110, 27730220]

約数ペア:

[(1, 27730220), (2, 13865110), (4, 6932555), (5, 5546044), (7, 3961460), (10, 2773022), (14, 1980730), (20, 1386511), (28, 990365), (35, 792292), (70, 396146), (140, 198073)]