231122180

素因数分解:

$2^2\times 5^1\times {\mathrm{1621}}^1\times {\mathrm{7129}}^1$

素因数の和:8759

約数の個数: 24

約数和(自身を含む): 485724120

約数和(自身を除く): 254601940

約数列:

[1, 2, 4, 5, 10, 20, 1621, 3242, 6484, 7129, 8105, 14258, 16210, 28516, 32420, 35645, 71290, 142580, 11556109, 23112218, 46224436, 57780545, 115561090, 231122180]

約数ペア:

[(1, 231122180), (2, 115561090), (4, 57780545), (5, 46224436), (10, 23112218), (20, 11556109), (1621, 142580), (3242, 71290), (6484, 35645), (7129, 32420), (8105, 28516), (14258, 16210)]