243205420

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{282797}}^1$

素因数の和:282849

約数の個数: 24

約数和(自身を含む): 522610704

約数和(自身を除く): 279405284

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 282797, 565594, 1131188, 1413985, 2827970, 5655940, 12160271, 24320542, 48641084, 60801355, 121602710, 243205420]

約数ペア:

[(1, 243205420), (2, 121602710), (4, 60801355), (5, 48641084), (10, 24320542), (20, 12160271), (43, 5655940), (86, 2827970), (172, 1413985), (215, 1131188), (430, 565594), (860, 282797)]