68804540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{491461}}^1$

素因数の和:491477

約数の個数: 24

約数和(自身を含む): 165131232

約数和(自身を除く): 96326692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 491461, 982922, 1965844, 2457305, 3440227, 4914610, 6880454, 9829220, 13760908, 17201135, 34402270, 68804540]

約数ペア:

[(1, 68804540), (2, 34402270), (4, 17201135), (5, 13760908), (7, 9829220), (10, 6880454), (14, 4914610), (20, 3440227), (28, 2457305), (35, 1965844), (70, 982922), (140, 491461)]