2399980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10909}}^1$

素因数の和:10929

約数の個数: 24

約数和(自身を含む): 5498640

約数和(自身を除く): 3098660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 10909, 21818, 43636, 54545, 109090, 119999, 218180, 239998, 479996, 599995, 1199990, 2399980]

約数ペア:

[(1, 2399980), (2, 1199990), (4, 599995), (5, 479996), (10, 239998), (11, 218180), (20, 119999), (22, 109090), (44, 54545), (55, 43636), (110, 21818), (220, 10909)]