189219280

素因数分解:

$2^4\times 5^1\times {\mathrm{2365241}}^1$

素因数の和:2365254

約数の個数: 20

約数和(自身を含む): 439935012

約数和(自身を除く): 250715732

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2365241, 4730482, 9460964, 11826205, 18921928, 23652410, 37843856, 47304820, 94609640, 189219280]

約数ペア:

[(1, 189219280), (2, 94609640), (4, 47304820), (5, 37843856), (8, 23652410), (10, 18921928), (16, 11826205), (20, 9460964), (40, 4730482), (80, 2365241)]