2791180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19937}}^1$

素因数の和:19953

約数の個数: 24

約数和(自身を含む): 6699168

約数和(自身を除く): 3907988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 19937, 39874, 79748, 99685, 139559, 199370, 279118, 398740, 558236, 697795, 1395590, 2791180]

約数ペア:

[(1, 2791180), (2, 1395590), (4, 697795), (5, 558236), (7, 398740), (10, 279118), (14, 199370), (20, 139559), (28, 99685), (35, 79748), (70, 39874), (140, 19937)]