129751580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{926797}}^1$

素因数の和:926813

約数の個数: 24

約数和(自身を含む): 311404128

約数和(自身を除く): 181652548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 926797, 1853594, 3707188, 4633985, 6487579, 9267970, 12975158, 18535940, 25950316, 32437895, 64875790, 129751580]

約数ペア:

[(1, 129751580), (2, 64875790), (4, 32437895), (5, 25950316), (7, 18535940), (10, 12975158), (14, 9267970), (20, 6487579), (28, 4633985), (35, 3707188), (70, 1853594), (140, 926797)]