258667780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1847627}}^1$

素因数の和:1847643

約数の個数: 24

約数和(自身を含む): 620803008

約数和(自身を除く): 362135228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1847627, 3695254, 7390508, 9238135, 12933389, 18476270, 25866778, 36952540, 51733556, 64666945, 129333890, 258667780]

約数ペア:

[(1, 258667780), (2, 129333890), (4, 64666945), (5, 51733556), (7, 36952540), (10, 25866778), (14, 18476270), (20, 12933389), (28, 9238135), (35, 7390508), (70, 3695254), (140, 1847627)]