397415090

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{364601}}^1$

素因数の和:364717

約数の個数: 16

約数和(自身を含む): 721911960

約数和(自身を除く): 324496870

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 364601, 729202, 1823005, 3646010, 39741509, 79483018, 198707545, 397415090]

約数ペア:

[(1, 397415090), (2, 198707545), (5, 79483018), (10, 39741509), (109, 3646010), (218, 1823005), (545, 729202), (1090, 364601)]