127272740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{909091}}^1$

素因数の和:909107

約数の個数: 24

約数和(自身を含む): 305454912

約数和(自身を除く): 178182172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 909091, 1818182, 3636364, 4545455, 6363637, 9090910, 12727274, 18181820, 25454548, 31818185, 63636370, 127272740]

約数ペア:

[(1, 127272740), (2, 63636370), (4, 31818185), (5, 25454548), (7, 18181820), (10, 12727274), (14, 9090910), (20, 6363637), (28, 4545455), (35, 3636364), (70, 1818182), (140, 909091)]