1276172870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{27581}}^1$

素因数の和:28256

約数の個数: 32

約数和(自身を含む): 2629336896

約数和(自身を除く): 1353164026

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 661, 1322, 3305, 4627, 6610, 9254, 23135, 27581, 46270, 55162, 137905, 193067, 275810, 386134, 965335, 1930670, 18231041, 36462082, 91155205, 127617287, 182310410, 255234574, 638086435, 1276172870]

約数ペア:

[(1, 1276172870), (2, 638086435), (5, 255234574), (7, 182310410), (10, 127617287), (14, 91155205), (35, 36462082), (70, 18231041), (661, 1930670), (1322, 965335), (3305, 386134), (4627, 275810), (6610, 193067), (9254, 137905), (23135, 55162), (27581, 46270)]