249611240

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{19937}}^1$

素因数の和:20261

約数の個数: 32

約数和(自身を含む): 563447880

約数和(自身を除く): 313836640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1565, 2504, 3130, 6260, 12520, 19937, 39874, 79748, 99685, 159496, 199370, 398740, 797480, 6240281, 12480562, 24961124, 31201405, 49922248, 62402810, 124805620, 249611240]

約数ペア:

[(1, 249611240), (2, 124805620), (4, 62402810), (5, 49922248), (8, 31201405), (10, 24961124), (20, 12480562), (40, 6240281), (313, 797480), (626, 398740), (1252, 199370), (1565, 159496), (2504, 99685), (3130, 79748), (6260, 39874), (12520, 19937)]