61397140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{438551}}^1$

素因数の和:438567

約数の個数: 24

約数和(自身を含む): 147353472

約数和(自身を除く): 85956332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 438551, 877102, 1754204, 2192755, 3069857, 4385510, 6139714, 8771020, 12279428, 15349285, 30698570, 61397140]

約数ペア:

[(1, 61397140), (2, 30698570), (4, 15349285), (5, 12279428), (7, 8771020), (10, 6139714), (14, 4385510), (20, 3069857), (28, 2192755), (35, 1754204), (70, 877102), (140, 438551)]