201904990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{412051}}^1$

素因数の和:412072

約数の個数: 24

約数和(自身を含む): 422765352

約数和(自身を除く): 220860362

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 412051, 824102, 2060255, 2884357, 4120510, 5768714, 14421785, 20190499, 28843570, 40380998, 100952495, 201904990]

約数ペア:

[(1, 201904990), (2, 100952495), (5, 40380998), (7, 28843570), (10, 20190499), (14, 14421785), (35, 5768714), (49, 4120510), (70, 2884357), (98, 2060255), (245, 824102), (490, 412051)]