199980410

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{2856863}}^1$

素因数の和:2856877

約数の個数: 16

約数和(自身を含む): 411388416

約数和(自身を除く): 211408006

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 2856863, 5713726, 14284315, 19998041, 28568630, 39996082, 99990205, 199980410]

約数ペア:

[(1, 199980410), (2, 99990205), (5, 39996082), (7, 28568630), (10, 19998041), (14, 14284315), (35, 5713726), (70, 2856863)]