9860270

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{20123}}^1$

素因数の和:20144

約数の個数: 24

約数和(自身を含む): 20647224

約数和(自身を除く): 10786954

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 20123, 40246, 100615, 140861, 201230, 281722, 704305, 986027, 1408610, 1972054, 4930135, 9860270]

約数ペア:

[(1, 9860270), (2, 4930135), (5, 1972054), (7, 1408610), (10, 986027), (14, 704305), (35, 281722), (49, 201230), (70, 140861), (98, 100615), (245, 40246), (490, 20123)]