1248220

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{449}}^1$

素因数の和:597

約数の個数: 24

約数和(自身を含む): 2646000

約数和(自身を除く): 1397780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 449, 556, 695, 898, 1390, 1796, 2245, 2780, 4490, 8980, 62411, 124822, 249644, 312055, 624110, 1248220]

約数ペア:

[(1, 1248220), (2, 624110), (4, 312055), (5, 249644), (10, 124822), (20, 62411), (139, 8980), (278, 4490), (449, 2780), (556, 2245), (695, 1796), (898, 1390)]