249545420

素因数分解:

$2^2\times 5^1\times {\mathrm{12477271}}^1$

素因数の和:12477280

約数の個数: 12

約数和(自身を含む): 524045424

約数和(自身を除く): 274500004

約数列:

[1, 2, 4, 5, 10, 20, 12477271, 24954542, 49909084, 62386355, 124772710, 249545420]

約数ペア:

[(1, 249545420), (2, 124772710), (4, 62386355), (5, 49909084), (10, 24954542), (20, 12477271)]