199445420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{433577}}^1$

素因数の和:433609

約数の個数: 24

約数和(自身を含む): 437046624

約数和(自身を除く): 237601204

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 433577, 867154, 1734308, 2167885, 4335770, 8671540, 9972271, 19944542, 39889084, 49861355, 99722710, 199445420]

約数ペア:

[(1, 199445420), (2, 99722710), (4, 49861355), (5, 39889084), (10, 19944542), (20, 9972271), (23, 8671540), (46, 4335770), (92, 2167885), (115, 1734308), (230, 867154), (460, 433577)]