2398000

素因数分解:

$2^4\times 5^3\times {\mathrm{11}}^1\times {\mathrm{109}}^1$

素因数の和:143

約数の個数: 80

約数和(自身を含む): 6383520

約数和(自身を除く): 3985520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 109, 110, 125, 176, 200, 218, 220, 250, 275, 400, 436, 440, 500, 545, 550, 872, 880, 1000, 1090, 1100, 1199, 1375, 1744, 2000, 2180, 2200, 2398, 2725, 2750, 4360, 4400, 4796, 5450, 5500, 5995, 8720, 9592, 10900, 11000, 11990, 13625, 19184, 21800, 22000, 23980, 27250, 29975, 43600, 47960, 54500, 59950, 95920, 109000, 119900, 149875, 218000, 239800, 299750, 479600, 599500, 1199000, 2398000]

約数ペア:

[(1, 2398000), (2, 1199000), (4, 599500), (5, 479600), (8, 299750), (10, 239800), (11, 218000), (16, 149875), (20, 119900), (22, 109000), (25, 95920), (40, 59950), (44, 54500), (50, 47960), (55, 43600), (80, 29975), (88, 27250), (100, 23980), (109, 22000), (110, 21800), (125, 19184), (176, 13625), (200, 11990), (218, 11000), (220, 10900), (250, 9592), (275, 8720), (400, 5995), (436, 5500), (440, 5450), (500, 4796), (545, 4400), (550, 4360), (872, 2750), (880, 2725), (1000, 2398), (1090, 2200), (1100, 2180), (1199, 2000), (1375, 1744)]