1137020

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{409}}^1$

素因数の和:557

約数の個数: 24

約数和(自身を含む): 2410800

約数和(自身を除く): 1273780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 409, 556, 695, 818, 1390, 1636, 2045, 2780, 4090, 8180, 56851, 113702, 227404, 284255, 568510, 1137020]

約数ペア:

[(1, 1137020), (2, 568510), (4, 284255), (5, 227404), (10, 113702), (20, 56851), (139, 8180), (278, 4090), (409, 2780), (556, 2045), (695, 1636), (818, 1390)]