278824000

素因数分解:

$2^6\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{383}}^1$

素因数の和:430

約数の個数: 224

約数和(自身を含む): 852074496

約数和(自身を除く): 573250496

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 32, 35, 40, 50, 52, 56, 64, 65, 70, 80, 91, 100, 104, 112, 125, 130, 140, 160, 175, 182, 200, 208, 224, 250, 260, 280, 320, 325, 350, 364, 383, 400, 416, 448, 455, 500, 520, 560, 650, 700, 728, 766, 800, 832, 875, 910, 1000, 1040, 1120, 1300, 1400, 1456, 1532, 1600, 1625, 1750, 1820, 1915, 2000, 2080, 2240, 2275, 2600, 2681, 2800, 2912, 3064, 3250, 3500, 3640, 3830, 4000, 4160, 4550, 4979, 5200, 5362, 5600, 5824, 6128, 6500, 7000, 7280, 7660, 8000, 9100, 9575, 9958, 10400, 10724, 11200, 11375, 12256, 13000, 13405, 14000, 14560, 15320, 18200, 19150, 19916, 20800, 21448, 22750, 24512, 24895, 26000, 26810, 28000, 29120, 30640, 34853, 36400, 38300, 39832, 42896, 45500, 47875, 49790, 52000, 53620, 56000, 61280, 67025, 69706, 72800, 76600, 79664, 85792, 91000, 95750, 99580, 104000, 107240, 122560, 124475, 134050, 139412, 145600, 153200, 159328, 171584, 174265, 182000, 191500, 199160, 214480, 248950, 268100, 278824, 306400, 318656, 335125, 348530, 364000, 383000, 398320, 428960, 497900, 536200, 557648, 612800, 622375, 670250, 697060, 728000, 766000, 796640, 857920, 871325, 995800, 1072400, 1115296, 1244750, 1340500, 1394120, 1532000, 1593280, 1742650, 1991600, 2144800, 2230592, 2489500, 2681000, 2788240, 3064000, 3485300, 3983200, 4289600, 4356625, 4979000, 5362000, 5576480, 6970600, 7966400, 8713250, 9958000, 10724000, 11152960, 13941200, 17426500, 19916000, 21448000, 27882400, 34853000, 39832000, 55764800, 69706000, 139412000, 278824000]

約数ペア:

[(1, 278824000), (2, 139412000), (4, 69706000), (5, 55764800), (7, 39832000), (8, 34853000), (10, 27882400), (13, 21448000), (14, 19916000), (16, 17426500), (20, 13941200), (25, 11152960), (26, 10724000), (28, 9958000), (32, 8713250), (35, 7966400), (40, 6970600), (50, 5576480), (52, 5362000), (56, 4979000), (64, 4356625), (65, 4289600), (70, 3983200), (80, 3485300), (91, 3064000), (100, 2788240), (104, 2681000), (112, 2489500), (125, 2230592), (130, 2144800), (140, 1991600), (160, 1742650), (175, 1593280), (182, 1532000), (200, 1394120), (208, 1340500), (224, 1244750), (250, 1115296), (260, 1072400), (280, 995800), (320, 871325), (325, 857920), (350, 796640), (364, 766000), (383, 728000), (400, 697060), (416, 670250), (448, 622375), (455, 612800), (500, 557648), (520, 536200), (560, 497900), (650, 428960), (700, 398320), (728, 383000), (766, 364000), (800, 348530), (832, 335125), (875, 318656), (910, 306400), (1000, 278824), (1040, 268100), (1120, 248950), (1300, 214480), (1400, 199160), (1456, 191500), (1532, 182000), (1600, 174265), (1625, 171584), (1750, 159328), (1820, 153200), (1915, 145600), (2000, 139412), (2080, 134050), (2240, 124475), (2275, 122560), (2600, 107240), (2681, 104000), (2800, 99580), (2912, 95750), (3064, 91000), (3250, 85792), (3500, 79664), (3640, 76600), (3830, 72800), (4000, 69706), (4160, 67025), (4550, 61280), (4979, 56000), (5200, 53620), (5362, 52000), (5600, 49790), (5824, 47875), (6128, 45500), (6500, 42896), (7000, 39832), (7280, 38300), (7660, 36400), (8000, 34853), (9100, 30640), (9575, 29120), (9958, 28000), (10400, 26810), (10724, 26000), (11200, 24895), (11375, 24512), (12256, 22750), (13000, 21448), (13405, 20800), (14000, 19916), (14560, 19150), (15320, 18200)]