205123090

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{707321}}^1$

素因数の和:707357

約数の個数: 16

約数和(自身を含む): 381953880

約数和(自身を除く): 176830790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 707321, 1414642, 3536605, 7073210, 20512309, 41024618, 102561545, 205123090]

約数ペア:

[(1, 205123090), (2, 102561545), (5, 41024618), (10, 20512309), (29, 7073210), (58, 3536605), (145, 1414642), (290, 707321)]