2274040

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{409}}^1$

素因数の和:559

約数の個数: 32

約数和(自身を含む): 5166000

約数和(自身を除く): 2891960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 409, 556, 695, 818, 1112, 1390, 1636, 2045, 2780, 3272, 4090, 5560, 8180, 16360, 56851, 113702, 227404, 284255, 454808, 568510, 1137020, 2274040]

約数ペア:

[(1, 2274040), (2, 1137020), (4, 568510), (5, 454808), (8, 284255), (10, 227404), (20, 113702), (40, 56851), (139, 16360), (278, 8180), (409, 5560), (556, 4090), (695, 3272), (818, 2780), (1112, 2045), (1390, 1636)]