126740740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{905291}}^1$

素因数の和:905307

約数の個数: 24

約数和(自身を含む): 304178112

約数和(自身を除く): 177437372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 905291, 1810582, 3621164, 4526455, 6337037, 9052910, 12674074, 18105820, 25348148, 31685185, 63370370, 126740740]

約数ペア:

[(1, 126740740), (2, 63370370), (4, 31685185), (5, 25348148), (7, 18105820), (10, 12674074), (14, 9052910), (20, 6337037), (28, 4526455), (35, 3621164), (70, 1810582), (140, 905291)]