68281780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{487727}}^1$

素因数の和:487743

約数の個数: 24

約数和(自身を含む): 163876608

約数和(自身を除く): 95594828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 487727, 975454, 1950908, 2438635, 3414089, 4877270, 6828178, 9754540, 13656356, 17070445, 34140890, 68281780]

約数ペア:

[(1, 68281780), (2, 34140890), (4, 17070445), (5, 13656356), (7, 9754540), (10, 6828178), (14, 4877270), (20, 3414089), (28, 2438635), (35, 1950908), (70, 975454), (140, 487727)]