856001200

素因数分解:

$2^4\times 5^2\times {\mathrm{2140003}}^1$

素因数の和:2140021

約数の個数: 30

約数和(自身を含む): 2056543844

約数和(自身を除く): 1200542644

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 2140003, 4280006, 8560012, 10700015, 17120024, 21400030, 34240048, 42800060, 53500075, 85600120, 107000150, 171200240, 214000300, 428000600, 856001200]

約数ペア:

[(1, 856001200), (2, 428000600), (4, 214000300), (5, 171200240), (8, 107000150), (10, 85600120), (16, 53500075), (20, 42800060), (25, 34240048), (40, 21400030), (50, 17120024), (80, 10700015), (100, 8560012), (200, 4280006), (400, 2140003)]