28798000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1$

素因数の和:69

約数の個数: 240

約数和(自身を含む): 92619072

約数和(自身を除く): 63821072

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 17, 20, 22, 25, 28, 34, 35, 40, 44, 50, 55, 56, 68, 70, 77, 80, 85, 88, 100, 110, 112, 119, 121, 125, 136, 140, 154, 170, 175, 176, 187, 200, 220, 238, 242, 250, 272, 275, 280, 308, 340, 350, 374, 385, 400, 425, 440, 476, 484, 500, 550, 560, 595, 605, 616, 680, 700, 748, 770, 847, 850, 875, 880, 935, 952, 968, 1000, 1100, 1190, 1210, 1232, 1309, 1360, 1375, 1400, 1496, 1540, 1694, 1700, 1750, 1870, 1904, 1925, 1936, 2000, 2057, 2125, 2200, 2380, 2420, 2618, 2750, 2800, 2975, 2992, 3025, 3080, 3388, 3400, 3500, 3740, 3850, 4114, 4235, 4250, 4400, 4675, 4760, 4840, 5236, 5500, 5950, 6050, 6160, 6545, 6776, 6800, 7000, 7480, 7700, 8228, 8470, 8500, 9350, 9520, 9625, 9680, 10285, 10472, 11000, 11900, 12100, 13090, 13552, 14000, 14399, 14875, 14960, 15125, 15400, 16456, 16940, 17000, 18700, 19250, 20570, 20944, 21175, 22000, 23375, 23800, 24200, 26180, 28798, 29750, 30250, 30800, 32725, 32912, 33880, 34000, 37400, 38500, 41140, 42350, 46750, 47600, 48400, 51425, 52360, 57596, 59500, 60500, 65450, 67760, 71995, 74800, 77000, 82280, 84700, 93500, 102850, 104720, 105875, 115192, 119000, 121000, 130900, 143990, 154000, 163625, 164560, 169400, 187000, 205700, 211750, 230384, 238000, 242000, 257125, 261800, 287980, 327250, 338800, 359975, 374000, 411400, 423500, 514250, 523600, 575960, 654500, 719950, 822800, 847000, 1028500, 1151920, 1309000, 1439900, 1694000, 1799875, 2057000, 2618000, 2879800, 3599750, 4114000, 5759600, 7199500, 14399000, 28798000]

約数ペア:

[(1, 28798000), (2, 14399000), (4, 7199500), (5, 5759600), (7, 4114000), (8, 3599750), (10, 2879800), (11, 2618000), (14, 2057000), (16, 1799875), (17, 1694000), (20, 1439900), (22, 1309000), (25, 1151920), (28, 1028500), (34, 847000), (35, 822800), (40, 719950), (44, 654500), (50, 575960), (55, 523600), (56, 514250), (68, 423500), (70, 411400), (77, 374000), (80, 359975), (85, 338800), (88, 327250), (100, 287980), (110, 261800), (112, 257125), (119, 242000), (121, 238000), (125, 230384), (136, 211750), (140, 205700), (154, 187000), (170, 169400), (175, 164560), (176, 163625), (187, 154000), (200, 143990), (220, 130900), (238, 121000), (242, 119000), (250, 115192), (272, 105875), (275, 104720), (280, 102850), (308, 93500), (340, 84700), (350, 82280), (374, 77000), (385, 74800), (400, 71995), (425, 67760), (440, 65450), (476, 60500), (484, 59500), (500, 57596), (550, 52360), (560, 51425), (595, 48400), (605, 47600), (616, 46750), (680, 42350), (700, 41140), (748, 38500), (770, 37400), (847, 34000), (850, 33880), (875, 32912), (880, 32725), (935, 30800), (952, 30250), (968, 29750), (1000, 28798), (1100, 26180), (1190, 24200), (1210, 23800), (1232, 23375), (1309, 22000), (1360, 21175), (1375, 20944), (1400, 20570), (1496, 19250), (1540, 18700), (1694, 17000), (1700, 16940), (1750, 16456), (1870, 15400), (1904, 15125), (1925, 14960), (1936, 14875), (2000, 14399), (2057, 14000), (2125, 13552), (2200, 13090), (2380, 12100), (2420, 11900), (2618, 11000), (2750, 10472), (2800, 10285), (2975, 9680), (2992, 9625), (3025, 9520), (3080, 9350), (3388, 8500), (3400, 8470), (3500, 8228), (3740, 7700), (3850, 7480), (4114, 7000), (4235, 6800), (4250, 6776), (4400, 6545), (4675, 6160), (4760, 6050), (4840, 5950), (5236, 5500)]