68137580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{486697}}^1$

素因数の和:486713

約数の個数: 24

約数和(自身を含む): 163530528

約数和(自身を除く): 95392948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 486697, 973394, 1946788, 2433485, 3406879, 4866970, 6813758, 9733940, 13627516, 17034395, 34068790, 68137580]

約数ペア:

[(1, 68137580), (2, 34068790), (4, 17034395), (5, 13627516), (7, 9733940), (10, 6813758), (14, 4866970), (20, 3406879), (28, 2433485), (35, 1946788), (70, 973394), (140, 486697)]