218000

素因数分解:

$2^4\times 5^3\times {\mathrm{109}}^1$

素因数の和:132

約数の個数: 40

約数和(自身を含む): 531960

約数和(自身を除く): 313960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 109, 125, 200, 218, 250, 400, 436, 500, 545, 872, 1000, 1090, 1744, 2000, 2180, 2725, 4360, 5450, 8720, 10900, 13625, 21800, 27250, 43600, 54500, 109000, 218000]

約数ペア:

[(1, 218000), (2, 109000), (4, 54500), (5, 43600), (8, 27250), (10, 21800), (16, 13625), (20, 10900), (25, 8720), (40, 5450), (50, 4360), (80, 2725), (100, 2180), (109, 2000), (125, 1744), (200, 1090), (218, 1000), (250, 872), (400, 545), (436, 500)]