1223388620

素因数分解:

$2^2\times 5^1\times {\mathrm{613}}^1\times {\mathrm{99787}}^1$

素因数の和:100409

約数の個数: 24

約数和(自身を含む): 2573332944

約数和(自身を除く): 1349944324

約数列:

[1, 2, 4, 5, 10, 20, 613, 1226, 2452, 3065, 6130, 12260, 99787, 199574, 399148, 498935, 997870, 1995740, 61169431, 122338862, 244677724, 305847155, 611694310, 1223388620]

約数ペア:

[(1, 1223388620), (2, 611694310), (4, 305847155), (5, 244677724), (10, 122338862), (20, 61169431), (613, 1995740), (1226, 997870), (2452, 498935), (3065, 399148), (6130, 199574), (12260, 99787)]