123456290

素因数分解:

$2^1\times 5^1\times {\mathrm{2269}}^1\times {\mathrm{5441}}^1$

素因数の和:7717

約数の個数: 16

約数和(自身を含む): 222360120

約数和(自身を除く): 98903830

約数列:

[1, 2, 5, 10, 2269, 4538, 5441, 10882, 11345, 22690, 27205, 54410, 12345629, 24691258, 61728145, 123456290]

約数ペア:

[(1, 123456290), (2, 61728145), (5, 24691258), (10, 12345629), (2269, 54410), (4538, 27205), (5441, 22690), (10882, 11345)]