205511904

素因数分解:

$2^5\times 3^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:164

約数の個数: 288

約数和(自身を含む): 693463680

約数和(自身を除く): 487951776

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 27, 32, 36, 38, 39, 48, 52, 54, 57, 72, 76, 78, 81, 96, 104, 107, 108, 114, 117, 144, 152, 156, 162, 171, 208, 214, 216, 228, 234, 243, 247, 288, 304, 312, 321, 324, 342, 351, 416, 428, 432, 456, 468, 486, 494, 513, 608, 624, 642, 648, 684, 702, 741, 856, 864, 912, 936, 963, 972, 988, 1026, 1053, 1248, 1284, 1296, 1368, 1391, 1404, 1482, 1539, 1712, 1824, 1872, 1926, 1944, 1976, 2033, 2052, 2106, 2223, 2568, 2592, 2736, 2782, 2808, 2889, 2964, 3078, 3159, 3424, 3744, 3852, 3888, 3952, 4066, 4104, 4173, 4212, 4446, 4617, 5136, 5472, 5564, 5616, 5778, 5928, 6099, 6156, 6318, 6669, 7704, 7776, 7904, 8132, 8208, 8346, 8424, 8667, 8892, 9234, 10272, 11128, 11232, 11556, 11856, 12198, 12312, 12519, 12636, 13338, 15408, 16264, 16416, 16692, 16848, 17334, 17784, 18297, 18468, 20007, 22256, 23112, 23712, 24396, 24624, 25038, 25272, 26001, 26429, 26676, 30816, 32528, 33384, 33696, 34668, 35568, 36594, 36936, 37557, 40014, 44512, 46224, 48792, 49248, 50076, 50544, 52002, 52858, 53352, 54891, 60021, 65056, 66768, 69336, 71136, 73188, 73872, 75114, 79287, 80028, 92448, 97584, 100152, 101088, 104004, 105716, 106704, 109782, 112671, 120042, 133536, 138672, 146376, 147744, 150228, 158574, 160056, 164673, 195168, 200304, 208008, 211432, 213408, 219564, 225342, 237861, 240084, 277344, 292752, 300456, 317148, 320112, 329346, 338013, 400608, 416016, 422864, 439128, 450684, 475722, 480168, 494019, 585504, 600912, 634296, 640224, 658692, 676026, 713583, 832032, 845728, 878256, 901368, 951444, 960336, 988038, 1201824, 1268592, 1317384, 1352052, 1427166, 1756512, 1802736, 1902888, 1920672, 1976076, 2140749, 2537184, 2634768, 2704104, 2854332, 3605472, 3805776, 3952152, 4281498, 5269536, 5408208, 5708664, 6422247, 7611552, 7904304, 8562996, 10816416, 11417328, 12844494, 15808608, 17125992, 22834656, 25688988, 34251984, 51377976, 68503968, 102755952, 205511904]

約数ペア:

[(1, 205511904), (2, 102755952), (3, 68503968), (4, 51377976), (6, 34251984), (8, 25688988), (9, 22834656), (12, 17125992), (13, 15808608), (16, 12844494), (18, 11417328), (19, 10816416), (24, 8562996), (26, 7904304), (27, 7611552), (32, 6422247), (36, 5708664), (38, 5408208), (39, 5269536), (48, 4281498), (52, 3952152), (54, 3805776), (57, 3605472), (72, 2854332), (76, 2704104), (78, 2634768), (81, 2537184), (96, 2140749), (104, 1976076), (107, 1920672), (108, 1902888), (114, 1802736), (117, 1756512), (144, 1427166), (152, 1352052), (156, 1317384), (162, 1268592), (171, 1201824), (208, 988038), (214, 960336), (216, 951444), (228, 901368), (234, 878256), (243, 845728), (247, 832032), (288, 713583), (304, 676026), (312, 658692), (321, 640224), (324, 634296), (342, 600912), (351, 585504), (416, 494019), (428, 480168), (432, 475722), (456, 450684), (468, 439128), (486, 422864), (494, 416016), (513, 400608), (608, 338013), (624, 329346), (642, 320112), (648, 317148), (684, 300456), (702, 292752), (741, 277344), (856, 240084), (864, 237861), (912, 225342), (936, 219564), (963, 213408), (972, 211432), (988, 208008), (1026, 200304), (1053, 195168), (1248, 164673), (1284, 160056), (1296, 158574), (1368, 150228), (1391, 147744), (1404, 146376), (1482, 138672), (1539, 133536), (1712, 120042), (1824, 112671), (1872, 109782), (1926, 106704), (1944, 105716), (1976, 104004), (2033, 101088), (2052, 100152), (2106, 97584), (2223, 92448), (2568, 80028), (2592, 79287), (2736, 75114), (2782, 73872), (2808, 73188), (2889, 71136), (2964, 69336), (3078, 66768), (3159, 65056), (3424, 60021), (3744, 54891), (3852, 53352), (3888, 52858), (3952, 52002), (4066, 50544), (4104, 50076), (4173, 49248), (4212, 48792), (4446, 46224), (4617, 44512), (5136, 40014), (5472, 37557), (5564, 36936), (5616, 36594), (5778, 35568), (5928, 34668), (6099, 33696), (6156, 33384), (6318, 32528), (6669, 30816), (7704, 26676), (7776, 26429), (7904, 26001), (8132, 25272), (8208, 25038), (8346, 24624), (8424, 24396), (8667, 23712), (8892, 23112), (9234, 22256), (10272, 20007), (11128, 18468), (11232, 18297), (11556, 17784), (11856, 17334), (12198, 16848), (12312, 16692), (12519, 16416), (12636, 16264), (13338, 15408)]