164077340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1171981}}^1$

素因数の和:1171997

約数の個数: 24

約数和(自身を含む): 393785952

約数和(自身を除く): 229708612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1171981, 2343962, 4687924, 5859905, 8203867, 11719810, 16407734, 23439620, 32815468, 41019335, 82038670, 164077340]

約数ペア:

[(1, 164077340), (2, 82038670), (4, 41019335), (5, 32815468), (7, 23439620), (10, 16407734), (14, 11719810), (20, 8203867), (28, 5859905), (35, 4687924), (70, 2343962), (140, 1171981)]