28756000

素因数分解:

$2^5\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1$

素因数の和:124

約数の個数: 192

約数和(自身を含む): 88058880

約数和(自身を除く): 59302880

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 32, 35, 40, 50, 52, 56, 65, 70, 79, 80, 91, 100, 104, 112, 125, 130, 140, 158, 160, 175, 182, 200, 208, 224, 250, 260, 280, 316, 325, 350, 364, 395, 400, 416, 455, 500, 520, 553, 560, 632, 650, 700, 728, 790, 800, 875, 910, 1000, 1027, 1040, 1106, 1120, 1264, 1300, 1400, 1456, 1580, 1625, 1750, 1820, 1975, 2000, 2054, 2080, 2212, 2275, 2528, 2600, 2765, 2800, 2912, 3160, 3250, 3500, 3640, 3950, 4000, 4108, 4424, 4550, 5135, 5200, 5530, 5600, 6320, 6500, 7000, 7189, 7280, 7900, 8216, 8848, 9100, 9875, 10270, 10400, 11060, 11375, 12640, 13000, 13825, 14000, 14378, 14560, 15800, 16432, 17696, 18200, 19750, 20540, 22120, 22750, 25675, 26000, 27650, 28000, 28756, 31600, 32864, 35945, 36400, 39500, 41080, 44240, 45500, 51350, 52000, 55300, 57512, 63200, 69125, 71890, 72800, 79000, 82160, 88480, 91000, 102700, 110600, 115024, 128375, 138250, 143780, 158000, 164320, 179725, 182000, 205400, 221200, 230048, 256750, 276500, 287560, 316000, 359450, 364000, 410800, 442400, 513500, 553000, 575120, 718900, 821600, 898625, 1027000, 1106000, 1150240, 1437800, 1797250, 2054000, 2212000, 2875600, 3594500, 4108000, 5751200, 7189000, 14378000, 28756000]

約数ペア:

[(1, 28756000), (2, 14378000), (4, 7189000), (5, 5751200), (7, 4108000), (8, 3594500), (10, 2875600), (13, 2212000), (14, 2054000), (16, 1797250), (20, 1437800), (25, 1150240), (26, 1106000), (28, 1027000), (32, 898625), (35, 821600), (40, 718900), (50, 575120), (52, 553000), (56, 513500), (65, 442400), (70, 410800), (79, 364000), (80, 359450), (91, 316000), (100, 287560), (104, 276500), (112, 256750), (125, 230048), (130, 221200), (140, 205400), (158, 182000), (160, 179725), (175, 164320), (182, 158000), (200, 143780), (208, 138250), (224, 128375), (250, 115024), (260, 110600), (280, 102700), (316, 91000), (325, 88480), (350, 82160), (364, 79000), (395, 72800), (400, 71890), (416, 69125), (455, 63200), (500, 57512), (520, 55300), (553, 52000), (560, 51350), (632, 45500), (650, 44240), (700, 41080), (728, 39500), (790, 36400), (800, 35945), (875, 32864), (910, 31600), (1000, 28756), (1027, 28000), (1040, 27650), (1106, 26000), (1120, 25675), (1264, 22750), (1300, 22120), (1400, 20540), (1456, 19750), (1580, 18200), (1625, 17696), (1750, 16432), (1820, 15800), (1975, 14560), (2000, 14378), (2054, 14000), (2080, 13825), (2212, 13000), (2275, 12640), (2528, 11375), (2600, 11060), (2765, 10400), (2800, 10270), (2912, 9875), (3160, 9100), (3250, 8848), (3500, 8216), (3640, 7900), (3950, 7280), (4000, 7189), (4108, 7000), (4424, 6500), (4550, 6320), (5135, 5600), (5200, 5530)]