57308860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{409349}}^1$

素因数の和:409365

約数の個数: 24

約数和(自身を含む): 137541600

約数和(自身を除く): 80232740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 409349, 818698, 1637396, 2046745, 2865443, 4093490, 5730886, 8186980, 11461772, 14327215, 28654430, 57308860]

約数ペア:

[(1, 57308860), (2, 28654430), (4, 14327215), (5, 11461772), (7, 8186980), (10, 5730886), (14, 4093490), (20, 2865443), (28, 2046745), (35, 1637396), (70, 818698), (140, 409349)]