219481310

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{201359}}^1$

素因数の和:201475

約数の個数: 16

約数和(自身を含む): 398692800

約数和(自身を除く): 179211490

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 201359, 402718, 1006795, 2013590, 21948131, 43896262, 109740655, 219481310]

約数ペア:

[(1, 219481310), (2, 109740655), (5, 43896262), (10, 21948131), (109, 2013590), (218, 1006795), (545, 402718), (1090, 201359)]