208819968

素因数分解:

$2^8\times 3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:243

約数の個数: 216

約数和(自身を含む): 671086080

約数和(自身を除く): 462266112

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 32, 42, 48, 49, 56, 62, 64, 84, 93, 96, 98, 112, 124, 128, 147, 168, 179, 186, 192, 196, 217, 224, 248, 256, 294, 336, 358, 372, 384, 392, 434, 448, 496, 537, 588, 651, 672, 716, 744, 768, 784, 868, 896, 992, 1074, 1176, 1253, 1302, 1344, 1432, 1488, 1519, 1568, 1736, 1792, 1984, 2148, 2352, 2506, 2604, 2688, 2864, 2976, 3038, 3136, 3472, 3759, 3968, 4296, 4557, 4704, 5012, 5208, 5376, 5549, 5728, 5952, 6076, 6272, 6944, 7518, 7936, 8592, 8771, 9114, 9408, 10024, 10416, 11098, 11456, 11904, 12152, 12544, 13888, 15036, 16647, 17184, 17542, 18228, 18816, 20048, 20832, 22196, 22912, 23808, 24304, 26313, 27776, 30072, 33294, 34368, 35084, 36456, 37632, 38843, 40096, 41664, 44392, 45824, 48608, 52626, 55552, 60144, 66588, 68736, 70168, 72912, 77686, 80192, 83328, 88784, 97216, 105252, 116529, 120288, 133176, 137472, 140336, 145824, 155372, 160384, 166656, 177568, 194432, 210504, 233058, 240576, 266352, 271901, 280672, 291648, 310744, 320768, 355136, 388864, 421008, 466116, 481152, 532704, 543802, 561344, 583296, 621488, 710272, 815703, 842016, 932232, 962304, 1065408, 1087604, 1122688, 1166592, 1242976, 1420544, 1631406, 1684032, 1864464, 2130816, 2175208, 2245376, 2485952, 3262812, 3368064, 3728928, 4261632, 4350416, 4971904, 6525624, 6736128, 7457856, 8700832, 9943808, 13051248, 14915712, 17401664, 26102496, 29831424, 34803328, 52204992, 69606656, 104409984, 208819968]

約数ペア:

[(1, 208819968), (2, 104409984), (3, 69606656), (4, 52204992), (6, 34803328), (7, 29831424), (8, 26102496), (12, 17401664), (14, 14915712), (16, 13051248), (21, 9943808), (24, 8700832), (28, 7457856), (31, 6736128), (32, 6525624), (42, 4971904), (48, 4350416), (49, 4261632), (56, 3728928), (62, 3368064), (64, 3262812), (84, 2485952), (93, 2245376), (96, 2175208), (98, 2130816), (112, 1864464), (124, 1684032), (128, 1631406), (147, 1420544), (168, 1242976), (179, 1166592), (186, 1122688), (192, 1087604), (196, 1065408), (217, 962304), (224, 932232), (248, 842016), (256, 815703), (294, 710272), (336, 621488), (358, 583296), (372, 561344), (384, 543802), (392, 532704), (434, 481152), (448, 466116), (496, 421008), (537, 388864), (588, 355136), (651, 320768), (672, 310744), (716, 291648), (744, 280672), (768, 271901), (784, 266352), (868, 240576), (896, 233058), (992, 210504), (1074, 194432), (1176, 177568), (1253, 166656), (1302, 160384), (1344, 155372), (1432, 145824), (1488, 140336), (1519, 137472), (1568, 133176), (1736, 120288), (1792, 116529), (1984, 105252), (2148, 97216), (2352, 88784), (2506, 83328), (2604, 80192), (2688, 77686), (2864, 72912), (2976, 70168), (3038, 68736), (3136, 66588), (3472, 60144), (3759, 55552), (3968, 52626), (4296, 48608), (4557, 45824), (4704, 44392), (5012, 41664), (5208, 40096), (5376, 38843), (5549, 37632), (5728, 36456), (5952, 35084), (6076, 34368), (6272, 33294), (6944, 30072), (7518, 27776), (7936, 26313), (8592, 24304), (8771, 23808), (9114, 22912), (9408, 22196), (10024, 20832), (10416, 20048), (11098, 18816), (11456, 18228), (11904, 17542), (12152, 17184), (12544, 16647), (13888, 15036)]