1989788976

素因数分解:

$2^4\times 3^5\times 7^1\times {\mathrm{113}}^1\times {\mathrm{647}}^1$

素因数の和:790

約数の個数: 240

約数和(自身を含む): 6668573184

約数和(自身を除く): 4678784208

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 72, 81, 84, 108, 112, 113, 126, 144, 162, 168, 189, 216, 226, 243, 252, 324, 336, 339, 378, 432, 452, 486, 504, 567, 647, 648, 678, 756, 791, 904, 972, 1008, 1017, 1134, 1294, 1296, 1356, 1512, 1582, 1701, 1808, 1941, 1944, 2034, 2268, 2373, 2588, 2712, 3024, 3051, 3164, 3402, 3882, 3888, 4068, 4529, 4536, 4746, 5176, 5424, 5823, 6102, 6328, 6804, 7119, 7764, 8136, 9058, 9072, 9153, 9492, 10352, 11646, 12204, 12656, 13587, 13608, 14238, 15528, 16272, 17469, 18116, 18306, 18984, 21357, 23292, 24408, 27174, 27216, 27459, 28476, 31056, 34938, 36232, 36612, 37968, 40761, 42714, 46584, 48816, 52407, 54348, 54918, 56952, 64071, 69876, 72464, 73111, 73224, 81522, 85428, 93168, 104814, 108696, 109836, 113904, 122283, 128142, 139752, 146222, 146448, 157221, 163044, 170856, 192213, 209628, 217392, 219333, 219672, 244566, 256284, 279504, 292444, 314442, 326088, 341712, 366849, 384426, 419256, 438666, 439344, 489132, 511777, 512568, 584888, 628884, 652176, 657999, 733698, 768852, 838512, 877332, 978264, 1023554, 1025136, 1100547, 1169776, 1257768, 1315998, 1467396, 1535331, 1537704, 1754664, 1956528, 1973997, 2047108, 2201094, 2515536, 2631996, 2934792, 3070662, 3075408, 3509328, 3947994, 4094216, 4402188, 4605993, 5263992, 5869584, 5921991, 6141324, 7895988, 8188432, 8804376, 9211986, 10527984, 11843982, 12282648, 13817979, 15791976, 17608752, 17765973, 18423972, 23687964, 24565296, 27635958, 31583952, 35531946, 36847944, 41453937, 47375928, 55271916, 71063892, 73695888, 82907874, 94751856, 110543832, 124361811, 142127784, 165815748, 221087664, 248723622, 284255568, 331631496, 497447244, 663262992, 994894488, 1989788976]

約数ペア:

[(1, 1989788976), (2, 994894488), (3, 663262992), (4, 497447244), (6, 331631496), (7, 284255568), (8, 248723622), (9, 221087664), (12, 165815748), (14, 142127784), (16, 124361811), (18, 110543832), (21, 94751856), (24, 82907874), (27, 73695888), (28, 71063892), (36, 55271916), (42, 47375928), (48, 41453937), (54, 36847944), (56, 35531946), (63, 31583952), (72, 27635958), (81, 24565296), (84, 23687964), (108, 18423972), (112, 17765973), (113, 17608752), (126, 15791976), (144, 13817979), (162, 12282648), (168, 11843982), (189, 10527984), (216, 9211986), (226, 8804376), (243, 8188432), (252, 7895988), (324, 6141324), (336, 5921991), (339, 5869584), (378, 5263992), (432, 4605993), (452, 4402188), (486, 4094216), (504, 3947994), (567, 3509328), (647, 3075408), (648, 3070662), (678, 2934792), (756, 2631996), (791, 2515536), (904, 2201094), (972, 2047108), (1008, 1973997), (1017, 1956528), (1134, 1754664), (1294, 1537704), (1296, 1535331), (1356, 1467396), (1512, 1315998), (1582, 1257768), (1701, 1169776), (1808, 1100547), (1941, 1025136), (1944, 1023554), (2034, 978264), (2268, 877332), (2373, 838512), (2588, 768852), (2712, 733698), (3024, 657999), (3051, 652176), (3164, 628884), (3402, 584888), (3882, 512568), (3888, 511777), (4068, 489132), (4529, 439344), (4536, 438666), (4746, 419256), (5176, 384426), (5424, 366849), (5823, 341712), (6102, 326088), (6328, 314442), (6804, 292444), (7119, 279504), (7764, 256284), (8136, 244566), (9058, 219672), (9072, 219333), (9153, 217392), (9492, 209628), (10352, 192213), (11646, 170856), (12204, 163044), (12656, 157221), (13587, 146448), (13608, 146222), (14238, 139752), (15528, 128142), (16272, 122283), (17469, 113904), (18116, 109836), (18306, 108696), (18984, 104814), (21357, 93168), (23292, 85428), (24408, 81522), (27174, 73224), (27216, 73111), (27459, 72464), (28476, 69876), (31056, 64071), (34938, 56952), (36232, 54918), (36612, 54348), (37968, 52407), (40761, 48816), (42714, 46584)]