247583840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{499}}^1$

素因数の和:964

約数の個数: 96

約数和(自身を含む): 671328000

約数和(自身を除く): 423744160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 443, 499, 560, 886, 998, 1120, 1772, 1996, 2215, 2495, 3101, 3493, 3544, 3992, 4430, 4990, 6202, 6986, 7088, 7984, 8860, 9980, 12404, 13972, 14176, 15505, 15968, 17465, 17720, 19960, 24808, 27944, 31010, 34930, 35440, 39920, 49616, 55888, 62020, 69860, 70880, 79840, 99232, 111776, 124040, 139720, 221057, 248080, 279440, 442114, 496160, 558880, 884228, 1105285, 1547399, 1768456, 2210570, 3094798, 3536912, 4421140, 6189596, 7073824, 7736995, 8842280, 12379192, 15473990, 17684560, 24758384, 30947980, 35369120, 49516768, 61895960, 123791920, 247583840]

約数ペア:

[(1, 247583840), (2, 123791920), (4, 61895960), (5, 49516768), (7, 35369120), (8, 30947980), (10, 24758384), (14, 17684560), (16, 15473990), (20, 12379192), (28, 8842280), (32, 7736995), (35, 7073824), (40, 6189596), (56, 4421140), (70, 3536912), (80, 3094798), (112, 2210570), (140, 1768456), (160, 1547399), (224, 1105285), (280, 884228), (443, 558880), (499, 496160), (560, 442114), (886, 279440), (998, 248080), (1120, 221057), (1772, 139720), (1996, 124040), (2215, 111776), (2495, 99232), (3101, 79840), (3493, 70880), (3544, 69860), (3992, 62020), (4430, 55888), (4990, 49616), (6202, 39920), (6986, 35440), (7088, 34930), (7984, 31010), (8860, 27944), (9980, 24808), (12404, 19960), (13972, 17720), (14176, 17465), (15505, 15968)]