219311620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{996871}}^1$

素因数の和:996891

約数の個数: 24

約数和(自身を含む): 502423488

約数和(自身を除く): 283111868

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 996871, 1993742, 3987484, 4984355, 9968710, 10965581, 19937420, 21931162, 43862324, 54827905, 109655810, 219311620]

約数ペア:

[(1, 219311620), (2, 109655810), (4, 54827905), (5, 43862324), (10, 21931162), (11, 19937420), (20, 10965581), (22, 9968710), (44, 4984355), (55, 3987484), (110, 1993742), (220, 996871)]