1009000

素因数分解:

$2^3\times 5^3\times {\mathrm{1009}}^1$

素因数の和:1030

約数の個数: 32

約数和(自身を含む): 2363400

約数和(自身を除く): 1354400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 1009, 2018, 4036, 5045, 8072, 10090, 20180, 25225, 40360, 50450, 100900, 126125, 201800, 252250, 504500, 1009000]

約数ペア:

[(1, 1009000), (2, 504500), (4, 252250), (5, 201800), (8, 126125), (10, 100900), (20, 50450), (25, 40360), (40, 25225), (50, 20180), (100, 10090), (125, 8072), (200, 5045), (250, 4036), (500, 2018), (1000, 1009)]