9980493670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{142578481}}^1$

素因数の和:142578495

約数の個数: 16

約数和(自身を含む): 20531301408

約数和(自身を除く): 10550807738

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 142578481, 285156962, 712892405, 998049367, 1425784810, 1996098734, 4990246835, 9980493670]

約数ペア:

[(1, 9980493670), (2, 4990246835), (5, 1996098734), (7, 1425784810), (10, 998049367), (14, 712892405), (35, 285156962), (70, 142578481)]