399347712

素因数分解:

$2^{12}\times 3^3\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:213

約数の個数: 208

約数和(自身を含む): 1242410880

約数和(自身を除く): 843063168

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 32, 36, 46, 48, 54, 64, 69, 72, 92, 96, 108, 128, 138, 144, 157, 184, 192, 207, 216, 256, 276, 288, 314, 368, 384, 414, 432, 471, 512, 552, 576, 621, 628, 736, 768, 828, 864, 942, 1024, 1104, 1152, 1242, 1256, 1413, 1472, 1536, 1656, 1728, 1884, 2048, 2208, 2304, 2484, 2512, 2826, 2944, 3072, 3312, 3456, 3611, 3768, 4096, 4239, 4416, 4608, 4968, 5024, 5652, 5888, 6144, 6624, 6912, 7222, 7536, 8478, 8832, 9216, 9936, 10048, 10833, 11304, 11776, 12288, 13248, 13824, 14444, 15072, 16956, 17664, 18432, 19872, 20096, 21666, 22608, 23552, 26496, 27648, 28888, 30144, 32499, 33912, 35328, 36864, 39744, 40192, 43332, 45216, 47104, 52992, 55296, 57776, 60288, 64998, 67824, 70656, 79488, 80384, 86664, 90432, 94208, 97497, 105984, 110592, 115552, 120576, 129996, 135648, 141312, 158976, 160768, 173328, 180864, 194994, 211968, 231104, 241152, 259992, 271296, 282624, 317952, 321536, 346656, 361728, 389988, 423936, 462208, 482304, 519984, 542592, 635904, 643072, 693312, 723456, 779976, 847872, 924416, 964608, 1039968, 1085184, 1271808, 1386624, 1446912, 1559952, 1848832, 1929216, 2079936, 2170368, 2543616, 2773248, 2893824, 3119904, 3697664, 4159872, 4340736, 5546496, 5787648, 6239808, 7395328, 8319744, 8681472, 11092992, 12479616, 14790656, 16639488, 17362944, 22185984, 24959232, 33278976, 44371968, 49918464, 66557952, 99836928, 133115904, 199673856, 399347712]

約数ペア:

[(1, 399347712), (2, 199673856), (3, 133115904), (4, 99836928), (6, 66557952), (8, 49918464), (9, 44371968), (12, 33278976), (16, 24959232), (18, 22185984), (23, 17362944), (24, 16639488), (27, 14790656), (32, 12479616), (36, 11092992), (46, 8681472), (48, 8319744), (54, 7395328), (64, 6239808), (69, 5787648), (72, 5546496), (92, 4340736), (96, 4159872), (108, 3697664), (128, 3119904), (138, 2893824), (144, 2773248), (157, 2543616), (184, 2170368), (192, 2079936), (207, 1929216), (216, 1848832), (256, 1559952), (276, 1446912), (288, 1386624), (314, 1271808), (368, 1085184), (384, 1039968), (414, 964608), (432, 924416), (471, 847872), (512, 779976), (552, 723456), (576, 693312), (621, 643072), (628, 635904), (736, 542592), (768, 519984), (828, 482304), (864, 462208), (942, 423936), (1024, 389988), (1104, 361728), (1152, 346656), (1242, 321536), (1256, 317952), (1413, 282624), (1472, 271296), (1536, 259992), (1656, 241152), (1728, 231104), (1884, 211968), (2048, 194994), (2208, 180864), (2304, 173328), (2484, 160768), (2512, 158976), (2826, 141312), (2944, 135648), (3072, 129996), (3312, 120576), (3456, 115552), (3611, 110592), (3768, 105984), (4096, 97497), (4239, 94208), (4416, 90432), (4608, 86664), (4968, 80384), (5024, 79488), (5652, 70656), (5888, 67824), (6144, 64998), (6624, 60288), (6912, 57776), (7222, 55296), (7536, 52992), (8478, 47104), (8832, 45216), (9216, 43332), (9936, 40192), (10048, 39744), (10833, 36864), (11304, 35328), (11776, 33912), (12288, 32499), (13248, 30144), (13824, 28888), (14444, 27648), (15072, 26496), (16956, 23552), (17664, 22608), (18432, 21666), (19872, 20096)]