2390380

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1117}}^1$

素因数の和:1233

約数の個数: 24

約数和(自身を含む): 5071248

約数和(自身を除く): 2680868

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 1117, 2140, 2234, 4468, 5585, 11170, 22340, 119519, 239038, 478076, 597595, 1195190, 2390380]

約数ペア:

[(1, 2390380), (2, 1195190), (4, 597595), (5, 478076), (10, 239038), (20, 119519), (107, 22340), (214, 11170), (428, 5585), (535, 4468), (1070, 2234), (1117, 2140)]