2008289450

素因数分解:

$2^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{451301}}^1$

素因数の和:451402

約数の個数: 24

約数和(自身を含む): 3777397740

約数和(自身を除く): 1769108290

約数列:

[1, 2, 5, 10, 25, 50, 89, 178, 445, 890, 2225, 4450, 451301, 902602, 2256505, 4513010, 11282525, 22565050, 40165789, 80331578, 200828945, 401657890, 1004144725, 2008289450]

約数ペア:

[(1, 2008289450), (2, 1004144725), (5, 401657890), (10, 200828945), (25, 80331578), (50, 40165789), (89, 22565050), (178, 11282525), (445, 4513010), (890, 2256505), (2225, 902602), (4450, 451301)]