181228000

素因数分解:

$2^5\times 5^3\times {\mathrm{45307}}^1$

素因数の和:45332

約数の個数: 48

約数和(自身を含む): 445287024

約数和(自身を除く): 264059024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 45307, 90614, 181228, 226535, 362456, 453070, 724912, 906140, 1132675, 1449824, 1812280, 2265350, 3624560, 4530700, 5663375, 7249120, 9061400, 11326750, 18122800, 22653500, 36245600, 45307000, 90614000, 181228000]

約数ペア:

[(1, 181228000), (2, 90614000), (4, 45307000), (5, 36245600), (8, 22653500), (10, 18122800), (16, 11326750), (20, 9061400), (25, 7249120), (32, 5663375), (40, 4530700), (50, 3624560), (80, 2265350), (100, 1812280), (125, 1449824), (160, 1132675), (200, 906140), (250, 724912), (400, 453070), (500, 362456), (800, 226535), (1000, 181228), (2000, 90614), (4000, 45307)]