398786976

素因数分解:

$2^5\times 3^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{709}}^1$

素因数の和:769

約数の個数: 240

約数和(自身を含む): 1385556480

約数和(自身を除く): 986769504

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 31, 32, 36, 42, 48, 54, 56, 62, 63, 72, 81, 84, 93, 96, 108, 112, 124, 126, 144, 162, 168, 186, 189, 216, 217, 224, 248, 252, 279, 288, 324, 336, 372, 378, 432, 434, 496, 504, 558, 567, 648, 651, 672, 709, 744, 756, 837, 864, 868, 992, 1008, 1116, 1134, 1296, 1302, 1418, 1488, 1512, 1674, 1736, 1953, 2016, 2127, 2232, 2268, 2511, 2592, 2604, 2836, 2976, 3024, 3348, 3472, 3906, 4254, 4464, 4536, 4963, 5022, 5208, 5672, 5859, 6048, 6381, 6696, 6944, 7812, 8508, 8928, 9072, 9926, 10044, 10416, 11344, 11718, 12762, 13392, 14889, 15624, 17016, 17577, 18144, 19143, 19852, 20088, 20832, 21979, 22688, 23436, 25524, 26784, 29778, 31248, 34032, 35154, 38286, 39704, 40176, 43958, 44667, 46872, 51048, 57429, 59556, 62496, 65937, 68064, 70308, 76572, 79408, 80352, 87916, 89334, 93744, 102096, 114858, 119112, 131874, 134001, 140616, 153144, 153853, 158816, 175832, 178668, 187488, 197811, 204192, 229716, 238224, 263748, 268002, 281232, 306288, 307706, 351664, 357336, 395622, 402003, 459432, 461559, 476448, 527496, 536004, 562464, 593433, 612576, 615412, 703328, 714672, 791244, 804006, 918864, 923118, 1054992, 1072008, 1186866, 1230824, 1384677, 1429344, 1582488, 1608012, 1780299, 1837728, 1846236, 2109984, 2144016, 2373732, 2461648, 2769354, 3164976, 3216024, 3560598, 3692472, 4154031, 4288032, 4747464, 4923296, 5538708, 6329952, 6432048, 7121196, 7384944, 8308062, 9494928, 11077416, 12462093, 12864096, 14242392, 14769888, 16616124, 18989856, 22154832, 24924186, 28484784, 33232248, 44309664, 49848372, 56969568, 66464496, 99696744, 132928992, 199393488, 398786976]

約数ペア:

[(1, 398786976), (2, 199393488), (3, 132928992), (4, 99696744), (6, 66464496), (7, 56969568), (8, 49848372), (9, 44309664), (12, 33232248), (14, 28484784), (16, 24924186), (18, 22154832), (21, 18989856), (24, 16616124), (27, 14769888), (28, 14242392), (31, 12864096), (32, 12462093), (36, 11077416), (42, 9494928), (48, 8308062), (54, 7384944), (56, 7121196), (62, 6432048), (63, 6329952), (72, 5538708), (81, 4923296), (84, 4747464), (93, 4288032), (96, 4154031), (108, 3692472), (112, 3560598), (124, 3216024), (126, 3164976), (144, 2769354), (162, 2461648), (168, 2373732), (186, 2144016), (189, 2109984), (216, 1846236), (217, 1837728), (224, 1780299), (248, 1608012), (252, 1582488), (279, 1429344), (288, 1384677), (324, 1230824), (336, 1186866), (372, 1072008), (378, 1054992), (432, 923118), (434, 918864), (496, 804006), (504, 791244), (558, 714672), (567, 703328), (648, 615412), (651, 612576), (672, 593433), (709, 562464), (744, 536004), (756, 527496), (837, 476448), (864, 461559), (868, 459432), (992, 402003), (1008, 395622), (1116, 357336), (1134, 351664), (1296, 307706), (1302, 306288), (1418, 281232), (1488, 268002), (1512, 263748), (1674, 238224), (1736, 229716), (1953, 204192), (2016, 197811), (2127, 187488), (2232, 178668), (2268, 175832), (2511, 158816), (2592, 153853), (2604, 153144), (2836, 140616), (2976, 134001), (3024, 131874), (3348, 119112), (3472, 114858), (3906, 102096), (4254, 93744), (4464, 89334), (4536, 87916), (4963, 80352), (5022, 79408), (5208, 76572), (5672, 70308), (5859, 68064), (6048, 65937), (6381, 62496), (6696, 59556), (6944, 57429), (7812, 51048), (8508, 46872), (8928, 44667), (9072, 43958), (9926, 40176), (10044, 39704), (10416, 38286), (11344, 35154), (11718, 34032), (12762, 31248), (13392, 29778), (14889, 26784), (15624, 25524), (17016, 23436), (17577, 22688), (18144, 21979), (19143, 20832), (19852, 20088)]