390422590

素因数分解:

$2^1\times 5^1\times {\mathrm{499}}^1\times {\mathrm{78241}}^1$

素因数の和:78747

約数の個数: 16

約数和(自身を含む): 704178000

約数和(自身を除く): 313755410

約数列:

[1, 2, 5, 10, 499, 998, 2495, 4990, 78241, 156482, 391205, 782410, 39042259, 78084518, 195211295, 390422590]

約数ペア:

[(1, 390422590), (2, 195211295), (5, 78084518), (10, 39042259), (499, 782410), (998, 391205), (2495, 156482), (4990, 78241)]