2257660

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{719}}^1$

素因数の和:885

約数の個数: 24

約数和(自身を含む): 4777920

約数和(自身を除く): 2520260

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 719, 785, 1438, 1570, 2876, 3140, 3595, 7190, 14380, 112883, 225766, 451532, 564415, 1128830, 2257660]

約数ペア:

[(1, 2257660), (2, 1128830), (4, 564415), (5, 451532), (10, 225766), (20, 112883), (157, 14380), (314, 7190), (628, 3595), (719, 3140), (785, 2876), (1438, 1570)]