307130260

素因数分解:

$2^2\times 5^1\times {\mathrm{617}}^1\times {\mathrm{24889}}^1$

素因数の和:25515

約数の個数: 24

約数和(自身を含む): 646044840

約数和(自身を除く): 338914580

約数列:

[1, 2, 4, 5, 10, 20, 617, 1234, 2468, 3085, 6170, 12340, 24889, 49778, 99556, 124445, 248890, 497780, 15356513, 30713026, 61426052, 76782565, 153565130, 307130260]

約数ペア:

[(1, 307130260), (2, 153565130), (4, 76782565), (5, 61426052), (10, 30713026), (20, 15356513), (617, 497780), (1234, 248890), (2468, 124445), (3085, 99556), (6170, 49778), (12340, 24889)]