205120790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{709}}^1\times {\mathrm{4133}}^1$

素因数の和:4856

約数の個数: 32

約数和(自身を含む): 422660160

約数和(自身を除く): 217539370

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 709, 1418, 3545, 4133, 4963, 7090, 8266, 9926, 20665, 24815, 28931, 41330, 49630, 57862, 144655, 289310, 2930297, 5860594, 14651485, 20512079, 29302970, 41024158, 102560395, 205120790]

約数ペア:

[(1, 205120790), (2, 102560395), (5, 41024158), (7, 29302970), (10, 20512079), (14, 14651485), (35, 5860594), (70, 2930297), (709, 289310), (1418, 144655), (3545, 57862), (4133, 49630), (4963, 41330), (7090, 28931), (8266, 24815), (9926, 20665)]