257470976

素因数分解:

$2^9\times 7^1\times {\mathrm{19}}^2\times {\mathrm{199}}^1$

素因数の和:262

約数の個数: 120

約数和(自身を含む): 623620800

約数和(自身を除く): 366149824

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 128, 133, 152, 199, 224, 256, 266, 304, 361, 398, 448, 512, 532, 608, 722, 796, 896, 1064, 1216, 1393, 1444, 1592, 1792, 2128, 2432, 2527, 2786, 2888, 3184, 3584, 3781, 4256, 4864, 5054, 5572, 5776, 6368, 7562, 8512, 9728, 10108, 11144, 11552, 12736, 15124, 17024, 20216, 22288, 23104, 25472, 26467, 30248, 34048, 40432, 44576, 46208, 50944, 52934, 60496, 68096, 71839, 80864, 89152, 92416, 101888, 105868, 120992, 143678, 161728, 178304, 184832, 211736, 241984, 287356, 323456, 356608, 423472, 483968, 502873, 574712, 646912, 713216, 846944, 967936, 1005746, 1149424, 1293824, 1693888, 1935872, 2011492, 2298848, 3387776, 4022984, 4597696, 6775552, 8045968, 9195392, 13551104, 16091936, 18390784, 32183872, 36781568, 64367744, 128735488, 257470976]

約数ペア:

[(1, 257470976), (2, 128735488), (4, 64367744), (7, 36781568), (8, 32183872), (14, 18390784), (16, 16091936), (19, 13551104), (28, 9195392), (32, 8045968), (38, 6775552), (56, 4597696), (64, 4022984), (76, 3387776), (112, 2298848), (128, 2011492), (133, 1935872), (152, 1693888), (199, 1293824), (224, 1149424), (256, 1005746), (266, 967936), (304, 846944), (361, 713216), (398, 646912), (448, 574712), (512, 502873), (532, 483968), (608, 423472), (722, 356608), (796, 323456), (896, 287356), (1064, 241984), (1216, 211736), (1393, 184832), (1444, 178304), (1592, 161728), (1792, 143678), (2128, 120992), (2432, 105868), (2527, 101888), (2786, 92416), (2888, 89152), (3184, 80864), (3584, 71839), (3781, 68096), (4256, 60496), (4864, 52934), (5054, 50944), (5572, 46208), (5776, 44576), (6368, 40432), (7562, 34048), (8512, 30248), (9728, 26467), (10108, 25472), (11144, 23104), (11552, 22288), (12736, 20216), (15124, 17024)]