68398000

素因数分解:

$2^4\times 5^3\times {\mathrm{11}}^1\times {\mathrm{3109}}^1$

素因数の和:3143

約数の個数: 80

約数和(自身を含む): 180479520

約数和(自身を除く): 112081520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 125, 176, 200, 220, 250, 275, 400, 440, 500, 550, 880, 1000, 1100, 1375, 2000, 2200, 2750, 3109, 4400, 5500, 6218, 11000, 12436, 15545, 22000, 24872, 31090, 34199, 49744, 62180, 68398, 77725, 124360, 136796, 155450, 170995, 248720, 273592, 310900, 341990, 388625, 547184, 621800, 683980, 777250, 854975, 1243600, 1367960, 1554500, 1709950, 2735920, 3109000, 3419900, 4274875, 6218000, 6839800, 8549750, 13679600, 17099500, 34199000, 68398000]

約数ペア:

[(1, 68398000), (2, 34199000), (4, 17099500), (5, 13679600), (8, 8549750), (10, 6839800), (11, 6218000), (16, 4274875), (20, 3419900), (22, 3109000), (25, 2735920), (40, 1709950), (44, 1554500), (50, 1367960), (55, 1243600), (80, 854975), (88, 777250), (100, 683980), (110, 621800), (125, 547184), (176, 388625), (200, 341990), (220, 310900), (250, 273592), (275, 248720), (400, 170995), (440, 155450), (500, 136796), (550, 124360), (880, 77725), (1000, 68398), (1100, 62180), (1375, 49744), (2000, 34199), (2200, 31090), (2750, 24872), (3109, 22000), (4400, 15545), (5500, 12436), (6218, 11000)]