2490081220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{11318551}}^1$

素因数の和:11318571

約数の個数: 24

約数和(自身を含む): 5704550208

約数和(自身を除く): 3214468988

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 11318551, 22637102, 45274204, 56592755, 113185510, 124504061, 226371020, 249008122, 498016244, 622520305, 1245040610, 2490081220]

約数ペア:

[(1, 2490081220), (2, 1245040610), (4, 622520305), (5, 498016244), (10, 249008122), (11, 226371020), (20, 124504061), (22, 113185510), (44, 56592755), (55, 45274204), (110, 22637102), (220, 11318551)]