109000

素因数分解:

$2^3\times 5^3\times {\mathrm{109}}^1$

素因数の和:130

約数の個数: 32

約数和(自身を含む): 257400

約数和(自身を除く): 148400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 109, 125, 200, 218, 250, 436, 500, 545, 872, 1000, 1090, 2180, 2725, 4360, 5450, 10900, 13625, 21800, 27250, 54500, 109000]

約数ペア:

[(1, 109000), (2, 54500), (4, 27250), (5, 21800), (8, 13625), (10, 10900), (20, 5450), (25, 4360), (40, 2725), (50, 2180), (100, 1090), (109, 1000), (125, 872), (200, 545), (218, 500), (250, 436)]