199103620

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{55001}}^1$

素因数の和:55191

約数の個数: 24

約数和(自身を含む): 420435288

約数和(自身を除く): 221331668

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 55001, 110002, 220004, 275005, 550010, 1100020, 9955181, 19910362, 39820724, 49775905, 99551810, 199103620]

約数ペア:

[(1, 199103620), (2, 99551810), (4, 49775905), (5, 39820724), (10, 19910362), (20, 9955181), (181, 1100020), (362, 550010), (724, 275005), (905, 220004), (1810, 110002), (3620, 55001)]