279471940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1270327}}^1$

素因数の和:1270347

約数の個数: 24

約数和(自身を含む): 640245312

約数和(自身を除く): 360773372

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1270327, 2540654, 5081308, 6351635, 12703270, 13973597, 25406540, 27947194, 55894388, 69867985, 139735970, 279471940]

約数ペア:

[(1, 279471940), (2, 139735970), (4, 69867985), (5, 55894388), (10, 27947194), (11, 25406540), (20, 13973597), (22, 12703270), (44, 6351635), (55, 5081308), (110, 2540654), (220, 1270327)]