161799220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{735451}}^1$

素因数の和:735471

約数の個数: 24

約数和(自身を含む): 370667808

約数和(自身を除く): 208868588

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 735451, 1470902, 2941804, 3677255, 7354510, 8089961, 14709020, 16179922, 32359844, 40449805, 80899610, 161799220]

約数ペア:

[(1, 161799220), (2, 80899610), (4, 40449805), (5, 32359844), (10, 16179922), (11, 14709020), (20, 8089961), (22, 7354510), (44, 3677255), (55, 2941804), (110, 1470902), (220, 735451)]