28826000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:130

約数の個数: 160

約数和(自身を含む): 83566080

約数和(自身を除く): 54740080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 29, 35, 40, 50, 56, 58, 70, 71, 80, 100, 112, 116, 125, 140, 142, 145, 175, 200, 203, 232, 250, 280, 284, 290, 350, 355, 400, 406, 464, 497, 500, 560, 568, 580, 700, 710, 725, 812, 875, 994, 1000, 1015, 1136, 1160, 1400, 1420, 1450, 1624, 1750, 1775, 1988, 2000, 2030, 2059, 2320, 2485, 2800, 2840, 2900, 3248, 3500, 3550, 3625, 3976, 4060, 4118, 4970, 5075, 5680, 5800, 7000, 7100, 7250, 7952, 8120, 8236, 8875, 9940, 10150, 10295, 11600, 12425, 14000, 14200, 14413, 14500, 16240, 16472, 17750, 19880, 20300, 20590, 24850, 25375, 28400, 28826, 29000, 32944, 35500, 39760, 40600, 41180, 49700, 50750, 51475, 57652, 58000, 62125, 71000, 72065, 81200, 82360, 99400, 101500, 102950, 115304, 124250, 142000, 144130, 164720, 198800, 203000, 205900, 230608, 248500, 257375, 288260, 360325, 406000, 411800, 497000, 514750, 576520, 720650, 823600, 994000, 1029500, 1153040, 1441300, 1801625, 2059000, 2882600, 3603250, 4118000, 5765200, 7206500, 14413000, 28826000]

約数ペア:

[(1, 28826000), (2, 14413000), (4, 7206500), (5, 5765200), (7, 4118000), (8, 3603250), (10, 2882600), (14, 2059000), (16, 1801625), (20, 1441300), (25, 1153040), (28, 1029500), (29, 994000), (35, 823600), (40, 720650), (50, 576520), (56, 514750), (58, 497000), (70, 411800), (71, 406000), (80, 360325), (100, 288260), (112, 257375), (116, 248500), (125, 230608), (140, 205900), (142, 203000), (145, 198800), (175, 164720), (200, 144130), (203, 142000), (232, 124250), (250, 115304), (280, 102950), (284, 101500), (290, 99400), (350, 82360), (355, 81200), (400, 72065), (406, 71000), (464, 62125), (497, 58000), (500, 57652), (560, 51475), (568, 50750), (580, 49700), (700, 41180), (710, 40600), (725, 39760), (812, 35500), (875, 32944), (994, 29000), (1000, 28826), (1015, 28400), (1136, 25375), (1160, 24850), (1400, 20590), (1420, 20300), (1450, 19880), (1624, 17750), (1750, 16472), (1775, 16240), (1988, 14500), (2000, 14413), (2030, 14200), (2059, 14000), (2320, 12425), (2485, 11600), (2800, 10295), (2840, 10150), (2900, 9940), (3248, 8875), (3500, 8236), (3550, 8120), (3625, 7952), (3976, 7250), (4060, 7100), (4118, 7000), (4970, 5800), (5075, 5680)]