1260392390

素因数分解:

$2^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{280711}}^1$

素因数の和:281167

約数の個数: 16

約数和(自身を含む): 2273767200

約数和(自身を除く): 1013374810

約数列:

[1, 2, 5, 10, 449, 898, 2245, 4490, 280711, 561422, 1403555, 2807110, 126039239, 252078478, 630196195, 1260392390]

約数ペア:

[(1, 1260392390), (2, 630196195), (5, 252078478), (10, 126039239), (449, 2807110), (898, 1403555), (2245, 561422), (4490, 280711)]