211366960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{587}}^1\times {\mathrm{643}}^1$

素因数の和:1250

約数の個数: 80

約数和(自身を含む): 563463936

約数和(自身を除く): 352096976

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 587, 643, 1174, 1286, 2348, 2572, 2935, 3215, 4109, 4501, 4696, 5144, 5870, 6430, 8218, 9002, 9392, 10288, 11740, 12860, 16436, 18004, 20545, 22505, 23480, 25720, 32872, 36008, 41090, 45010, 46960, 51440, 65744, 72016, 82180, 90020, 164360, 180040, 328720, 360080, 377441, 754882, 1509764, 1887205, 2642087, 3019528, 3774410, 5284174, 6039056, 7548820, 10568348, 13210435, 15097640, 21136696, 26420870, 30195280, 42273392, 52841740, 105683480, 211366960]

約数ペア:

[(1, 211366960), (2, 105683480), (4, 52841740), (5, 42273392), (7, 30195280), (8, 26420870), (10, 21136696), (14, 15097640), (16, 13210435), (20, 10568348), (28, 7548820), (35, 6039056), (40, 5284174), (56, 3774410), (70, 3019528), (80, 2642087), (112, 1887205), (140, 1509764), (280, 754882), (560, 377441), (587, 360080), (643, 328720), (1174, 180040), (1286, 164360), (2348, 90020), (2572, 82180), (2935, 72016), (3215, 65744), (4109, 51440), (4501, 46960), (4696, 45010), (5144, 41090), (5870, 36008), (6430, 32872), (8218, 25720), (9002, 23480), (9392, 22505), (10288, 20545), (11740, 18004), (12860, 16436)]