28688800

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:183

約数の個数: 144

約数和(自身を含む): 82494720

約数和(自身を除く): 53805920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 47, 50, 56, 70, 80, 94, 100, 109, 112, 140, 160, 175, 188, 200, 218, 224, 235, 280, 329, 350, 376, 400, 436, 470, 545, 560, 658, 700, 752, 763, 800, 872, 940, 1090, 1120, 1175, 1316, 1400, 1504, 1526, 1645, 1744, 1880, 2180, 2350, 2632, 2725, 2800, 3052, 3290, 3488, 3760, 3815, 4360, 4700, 5123, 5264, 5450, 5600, 6104, 6580, 7520, 7630, 8225, 8720, 9400, 10246, 10528, 10900, 12208, 13160, 15260, 16450, 17440, 18800, 19075, 20492, 21800, 24416, 25615, 26320, 30520, 32900, 35861, 37600, 38150, 40984, 43600, 51230, 52640, 61040, 65800, 71722, 76300, 81968, 87200, 102460, 122080, 128075, 131600, 143444, 152600, 163936, 179305, 204920, 256150, 263200, 286888, 305200, 358610, 409840, 512300, 573776, 610400, 717220, 819680, 896525, 1024600, 1147552, 1434440, 1793050, 2049200, 2868880, 3586100, 4098400, 5737760, 7172200, 14344400, 28688800]

約数ペア:

[(1, 28688800), (2, 14344400), (4, 7172200), (5, 5737760), (7, 4098400), (8, 3586100), (10, 2868880), (14, 2049200), (16, 1793050), (20, 1434440), (25, 1147552), (28, 1024600), (32, 896525), (35, 819680), (40, 717220), (47, 610400), (50, 573776), (56, 512300), (70, 409840), (80, 358610), (94, 305200), (100, 286888), (109, 263200), (112, 256150), (140, 204920), (160, 179305), (175, 163936), (188, 152600), (200, 143444), (218, 131600), (224, 128075), (235, 122080), (280, 102460), (329, 87200), (350, 81968), (376, 76300), (400, 71722), (436, 65800), (470, 61040), (545, 52640), (560, 51230), (658, 43600), (700, 40984), (752, 38150), (763, 37600), (800, 35861), (872, 32900), (940, 30520), (1090, 26320), (1120, 25615), (1175, 24416), (1316, 21800), (1400, 20492), (1504, 19075), (1526, 18800), (1645, 17440), (1744, 16450), (1880, 15260), (2180, 13160), (2350, 12208), (2632, 10900), (2725, 10528), (2800, 10246), (3052, 9400), (3290, 8720), (3488, 8225), (3760, 7630), (3815, 7520), (4360, 6580), (4700, 6104), (5123, 5600), (5264, 5450)]