399814688

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:207

約数の個数: 192

約数和(自身を含む): 1033224192

約数和(自身を除く): 633409504

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 43, 52, 56, 62, 86, 91, 103, 104, 112, 124, 172, 182, 206, 208, 217, 224, 248, 301, 344, 364, 403, 412, 416, 434, 496, 559, 602, 688, 721, 728, 806, 824, 868, 992, 1118, 1204, 1333, 1339, 1376, 1442, 1456, 1612, 1648, 1736, 2236, 2408, 2666, 2678, 2821, 2884, 2912, 3193, 3224, 3296, 3472, 3913, 4429, 4472, 4816, 5332, 5356, 5642, 5768, 6386, 6448, 6944, 7826, 8858, 8944, 9331, 9373, 9632, 10664, 10712, 11284, 11536, 12772, 12896, 15652, 17329, 17716, 17888, 18662, 18746, 21328, 21424, 22351, 22568, 23072, 25544, 31003, 31304, 34658, 35432, 37324, 37492, 41509, 42656, 42848, 44702, 45136, 51088, 57577, 62006, 62608, 69316, 70864, 74648, 74984, 83018, 89404, 90272, 102176, 115154, 121303, 124012, 125216, 137299, 138632, 141728, 149296, 149968, 166036, 178808, 230308, 242606, 248024, 274598, 277264, 290563, 298592, 299936, 332072, 357616, 403039, 460616, 485212, 496048, 549196, 554528, 581126, 664144, 715232, 806078, 921232, 961093, 970424, 992096, 1098392, 1162252, 1328288, 1612156, 1784887, 1842464, 1922186, 1940848, 2196784, 2324504, 3224312, 3569774, 3844372, 3881696, 4393568, 4649008, 6448624, 7139548, 7688744, 9298016, 12494209, 12897248, 14279096, 15377488, 24988418, 28558192, 30754976, 49976836, 57116384, 99953672, 199907344, 399814688]

約数ペア:

[(1, 399814688), (2, 199907344), (4, 99953672), (7, 57116384), (8, 49976836), (13, 30754976), (14, 28558192), (16, 24988418), (26, 15377488), (28, 14279096), (31, 12897248), (32, 12494209), (43, 9298016), (52, 7688744), (56, 7139548), (62, 6448624), (86, 4649008), (91, 4393568), (103, 3881696), (104, 3844372), (112, 3569774), (124, 3224312), (172, 2324504), (182, 2196784), (206, 1940848), (208, 1922186), (217, 1842464), (224, 1784887), (248, 1612156), (301, 1328288), (344, 1162252), (364, 1098392), (403, 992096), (412, 970424), (416, 961093), (434, 921232), (496, 806078), (559, 715232), (602, 664144), (688, 581126), (721, 554528), (728, 549196), (806, 496048), (824, 485212), (868, 460616), (992, 403039), (1118, 357616), (1204, 332072), (1333, 299936), (1339, 298592), (1376, 290563), (1442, 277264), (1456, 274598), (1612, 248024), (1648, 242606), (1736, 230308), (2236, 178808), (2408, 166036), (2666, 149968), (2678, 149296), (2821, 141728), (2884, 138632), (2912, 137299), (3193, 125216), (3224, 124012), (3296, 121303), (3472, 115154), (3913, 102176), (4429, 90272), (4472, 89404), (4816, 83018), (5332, 74984), (5356, 74648), (5642, 70864), (5768, 69316), (6386, 62608), (6448, 62006), (6944, 57577), (7826, 51088), (8858, 45136), (8944, 44702), (9331, 42848), (9373, 42656), (9632, 41509), (10664, 37492), (10712, 37324), (11284, 35432), (11536, 34658), (12772, 31304), (12896, 31003), (15652, 25544), (17329, 23072), (17716, 22568), (17888, 22351), (18662, 21424), (18746, 21328)]