140505470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{20693}}^1$

素因数の和:20804

約数の個数: 32

約数和(自身を含む): 292033728

約数和(自身を除く): 151528258

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 97, 194, 485, 679, 970, 1358, 3395, 6790, 20693, 41386, 103465, 144851, 206930, 289702, 724255, 1448510, 2007221, 4014442, 10036105, 14050547, 20072210, 28101094, 70252735, 140505470]

約数ペア:

[(1, 140505470), (2, 70252735), (5, 28101094), (7, 20072210), (10, 14050547), (14, 10036105), (35, 4014442), (70, 2007221), (97, 1448510), (194, 724255), (485, 289702), (679, 206930), (970, 144851), (1358, 103465), (3395, 41386), (6790, 20693)]