2202220

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{739}}^1$

素因数の和:897

約数の個数: 24

約数和(自身を含む): 4662000

約数和(自身を除く): 2459780

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 739, 745, 1478, 1490, 2956, 2980, 3695, 7390, 14780, 110111, 220222, 440444, 550555, 1101110, 2202220]

約数ペア:

[(1, 2202220), (2, 1101110), (4, 550555), (5, 440444), (10, 220222), (20, 110111), (149, 14780), (298, 7390), (596, 3695), (739, 2980), (745, 2956), (1478, 1490)]