54668740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{390491}}^1$

素因数の和:390507

約数の個数: 24

約数和(自身を含む): 131205312

約数和(自身を除く): 76536572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 390491, 780982, 1561964, 1952455, 2733437, 3904910, 5466874, 7809820, 10933748, 13667185, 27334370, 54668740]

約数ペア:

[(1, 54668740), (2, 27334370), (4, 13667185), (5, 10933748), (7, 7809820), (10, 5466874), (14, 3904910), (20, 2733437), (28, 1952455), (35, 1561964), (70, 780982), (140, 390491)]