100395500

素因数分解:

$2^2\times 5^3\times {\mathrm{199}}^1\times {\mathrm{1009}}^1$

素因数の和:1227

約数の個数: 48

約数和(自身を含む): 220584000

約数和(自身を除く): 120188500

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 199, 250, 398, 500, 796, 995, 1009, 1990, 2018, 3980, 4036, 4975, 5045, 9950, 10090, 19900, 20180, 24875, 25225, 49750, 50450, 99500, 100900, 126125, 200791, 252250, 401582, 504500, 803164, 1003955, 2007910, 4015820, 5019775, 10039550, 20079100, 25098875, 50197750, 100395500]

約数ペア:

[(1, 100395500), (2, 50197750), (4, 25098875), (5, 20079100), (10, 10039550), (20, 5019775), (25, 4015820), (50, 2007910), (100, 1003955), (125, 803164), (199, 504500), (250, 401582), (398, 252250), (500, 200791), (796, 126125), (995, 100900), (1009, 99500), (1990, 50450), (2018, 49750), (3980, 25225), (4036, 24875), (4975, 20180), (5045, 19900), (9950, 10090)]