291245920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{587}}^1$

素因数の和:1052

約数の個数: 96

約数和(自身を含む): 789481728

約数和(自身を除く): 498235808

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, 560, 587, 886, 1120, 1174, 1772, 2215, 2348, 2935, 3101, 3544, 4109, 4430, 4696, 5870, 6202, 7088, 8218, 8860, 9392, 11740, 12404, 14176, 15505, 16436, 17720, 18784, 20545, 23480, 24808, 31010, 32872, 35440, 41090, 46960, 49616, 62020, 65744, 70880, 82180, 93920, 99232, 124040, 131488, 164360, 248080, 260041, 328720, 496160, 520082, 657440, 1040164, 1300205, 1820287, 2080328, 2600410, 3640574, 4160656, 5200820, 7281148, 8321312, 9101435, 10401640, 14562296, 18202870, 20803280, 29124592, 36405740, 41606560, 58249184, 72811480, 145622960, 291245920]

約数ペア:

[(1, 291245920), (2, 145622960), (4, 72811480), (5, 58249184), (7, 41606560), (8, 36405740), (10, 29124592), (14, 20803280), (16, 18202870), (20, 14562296), (28, 10401640), (32, 9101435), (35, 8321312), (40, 7281148), (56, 5200820), (70, 4160656), (80, 3640574), (112, 2600410), (140, 2080328), (160, 1820287), (224, 1300205), (280, 1040164), (443, 657440), (560, 520082), (587, 496160), (886, 328720), (1120, 260041), (1174, 248080), (1772, 164360), (2215, 131488), (2348, 124040), (2935, 99232), (3101, 93920), (3544, 82180), (4109, 70880), (4430, 65744), (4696, 62020), (5870, 49616), (6202, 46960), (7088, 41090), (8218, 35440), (8860, 32872), (9392, 31010), (11740, 24808), (12404, 23480), (14176, 20545), (15505, 18784), (16436, 17720)]