126800660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{905719}}^1$

素因数の和:905735

約数の個数: 24

約数和(自身を含む): 304321920

約数和(自身を除く): 177521260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 905719, 1811438, 3622876, 4528595, 6340033, 9057190, 12680066, 18114380, 25360132, 31700165, 63400330, 126800660]

約数ペア:

[(1, 126800660), (2, 63400330), (4, 31700165), (5, 25360132), (7, 18114380), (10, 12680066), (14, 9057190), (20, 6340033), (28, 4528595), (35, 3622876), (70, 1811438), (140, 905719)]