1531420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{6961}}^1$

素因数の和:6981

約数の個数: 24

約数和(自身を含む): 3508848

約数和(自身を除く): 1977428

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 6961, 13922, 27844, 34805, 69610, 76571, 139220, 153142, 306284, 382855, 765710, 1531420]

約数ペア:

[(1, 1531420), (2, 765710), (4, 382855), (5, 306284), (10, 153142), (11, 139220), (20, 76571), (22, 69610), (44, 34805), (55, 27844), (110, 13922), (220, 6961)]