278320070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{3976001}}^1$

素因数の和:3976015

約数の個数: 16

約数和(自身を含む): 572544288

約数和(自身を除く): 294224218

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 3976001, 7952002, 19880005, 27832007, 39760010, 55664014, 139160035, 278320070]

約数ペア:

[(1, 278320070), (2, 139160035), (5, 55664014), (7, 39760010), (10, 27832007), (14, 19880005), (35, 7952002), (70, 3976001)]