394403328

素因数分解:

$2^9\times 3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:317

約数の個数: 240

約数和(自身を含む): 1286917632

約数和(自身を除く): 892514304

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 31, 32, 33, 36, 44, 48, 62, 64, 66, 72, 88, 93, 96, 99, 124, 128, 132, 144, 176, 186, 192, 198, 248, 251, 256, 264, 279, 288, 341, 352, 372, 384, 396, 496, 502, 512, 528, 558, 576, 682, 704, 744, 753, 768, 792, 992, 1004, 1023, 1056, 1116, 1152, 1364, 1408, 1488, 1506, 1536, 1584, 1984, 2008, 2046, 2112, 2232, 2259, 2304, 2728, 2761, 2816, 2976, 3012, 3069, 3168, 3968, 4016, 4092, 4224, 4464, 4518, 4608, 5456, 5522, 5632, 5952, 6024, 6138, 6336, 7781, 7936, 8032, 8184, 8283, 8448, 8928, 9036, 10912, 11044, 11904, 12048, 12276, 12672, 15562, 15872, 16064, 16368, 16566, 16896, 17856, 18072, 21824, 22088, 23343, 23808, 24096, 24552, 24849, 25344, 31124, 32128, 32736, 33132, 35712, 36144, 43648, 44176, 46686, 47616, 48192, 49104, 49698, 50688, 62248, 64256, 65472, 66264, 70029, 71424, 72288, 85591, 87296, 88352, 93372, 96384, 98208, 99396, 124496, 128512, 130944, 132528, 140058, 142848, 144576, 171182, 174592, 176704, 186744, 192768, 196416, 198792, 248992, 256773, 261888, 265056, 280116, 289152, 342364, 353408, 373488, 385536, 392832, 397584, 497984, 513546, 523776, 530112, 560232, 578304, 684728, 706816, 746976, 770319, 785664, 795168, 995968, 1027092, 1060224, 1120464, 1156608, 1369456, 1413632, 1493952, 1540638, 1571328, 1590336, 1991936, 2054184, 2120448, 2240928, 2738912, 2987904, 3081276, 3180672, 3983872, 4108368, 4240896, 4481856, 5477824, 5975808, 6162552, 6361344, 8216736, 8963712, 10955648, 11951616, 12325104, 12722688, 16433472, 17927424, 21911296, 24650208, 32866944, 35854848, 43822592, 49300416, 65733888, 98600832, 131467776, 197201664, 394403328]

約数ペア:

[(1, 394403328), (2, 197201664), (3, 131467776), (4, 98600832), (6, 65733888), (8, 49300416), (9, 43822592), (11, 35854848), (12, 32866944), (16, 24650208), (18, 21911296), (22, 17927424), (24, 16433472), (31, 12722688), (32, 12325104), (33, 11951616), (36, 10955648), (44, 8963712), (48, 8216736), (62, 6361344), (64, 6162552), (66, 5975808), (72, 5477824), (88, 4481856), (93, 4240896), (96, 4108368), (99, 3983872), (124, 3180672), (128, 3081276), (132, 2987904), (144, 2738912), (176, 2240928), (186, 2120448), (192, 2054184), (198, 1991936), (248, 1590336), (251, 1571328), (256, 1540638), (264, 1493952), (279, 1413632), (288, 1369456), (341, 1156608), (352, 1120464), (372, 1060224), (384, 1027092), (396, 995968), (496, 795168), (502, 785664), (512, 770319), (528, 746976), (558, 706816), (576, 684728), (682, 578304), (704, 560232), (744, 530112), (753, 523776), (768, 513546), (792, 497984), (992, 397584), (1004, 392832), (1023, 385536), (1056, 373488), (1116, 353408), (1152, 342364), (1364, 289152), (1408, 280116), (1488, 265056), (1506, 261888), (1536, 256773), (1584, 248992), (1984, 198792), (2008, 196416), (2046, 192768), (2112, 186744), (2232, 176704), (2259, 174592), (2304, 171182), (2728, 144576), (2761, 142848), (2816, 140058), (2976, 132528), (3012, 130944), (3069, 128512), (3168, 124496), (3968, 99396), (4016, 98208), (4092, 96384), (4224, 93372), (4464, 88352), (4518, 87296), (4608, 85591), (5456, 72288), (5522, 71424), (5632, 70029), (5952, 66264), (6024, 65472), (6138, 64256), (6336, 62248), (7781, 50688), (7936, 49698), (8032, 49104), (8184, 48192), (8283, 47616), (8448, 46686), (8928, 44176), (9036, 43648), (10912, 36144), (11044, 35712), (11904, 33132), (12048, 32736), (12276, 32128), (12672, 31124), (15562, 25344), (15872, 24849), (16064, 24552), (16368, 24096), (16566, 23808), (16896, 23343), (17856, 22088), (18072, 21824)]