4399690820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31426363}}^1$

素因数の和:31426379

約数の個数: 24

約数和(自身を含む): 10559258304

約数和(自身を除く): 6159567484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 31426363, 62852726, 125705452, 157131815, 219984541, 314263630, 439969082, 628527260, 879938164, 1099922705, 2199845410, 4399690820]

約数ペア:

[(1, 4399690820), (2, 2199845410), (4, 1099922705), (5, 879938164), (7, 628527260), (10, 439969082), (14, 314263630), (20, 219984541), (28, 157131815), (35, 125705452), (70, 62852726), (140, 31426363)]