123729980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{562409}}^1$

素因数の和:562429

約数の個数: 24

約数和(自身を含む): 283454640

約数和(自身を除く): 159724660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 562409, 1124818, 2249636, 2812045, 5624090, 6186499, 11248180, 12372998, 24745996, 30932495, 61864990, 123729980]

約数ペア:

[(1, 123729980), (2, 61864990), (4, 30932495), (5, 24745996), (10, 12372998), (11, 11248180), (20, 6186499), (22, 5624090), (44, 2812045), (55, 2249636), (110, 1124818), (220, 562409)]