219075830

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{200987}}^1$

素因数の和:201103

約数の個数: 16

約数和(自身を含む): 397956240

約数和(自身を除く): 178880410

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 200987, 401974, 1004935, 2009870, 21907583, 43815166, 109537915, 219075830]

約数ペア:

[(1, 219075830), (2, 109537915), (5, 43815166), (10, 21907583), (109, 2009870), (218, 1004935), (545, 401974), (1090, 200987)]