1905223488

素因数分解:

$2^6\times 3^1\times 7^2\times {\mathrm{313}}^1\times {\mathrm{647}}^1$

素因数の和:989

約数の個数: 168

約数和(自身を含む): 5891735232

約数和(自身を除く): 3986511744

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 84, 96, 98, 112, 147, 168, 192, 196, 224, 294, 313, 336, 392, 448, 588, 626, 647, 672, 784, 939, 1176, 1252, 1294, 1344, 1568, 1878, 1941, 2191, 2352, 2504, 2588, 3136, 3756, 3882, 4382, 4529, 4704, 5008, 5176, 6573, 7512, 7764, 8764, 9058, 9408, 10016, 10352, 13146, 13587, 15024, 15337, 15528, 17528, 18116, 20032, 20704, 26292, 27174, 30048, 30674, 31056, 31703, 35056, 36232, 41408, 46011, 52584, 54348, 60096, 61348, 62112, 63406, 70112, 72464, 92022, 95109, 105168, 108696, 122696, 124224, 126812, 140224, 144928, 184044, 190218, 202511, 210336, 217392, 245392, 253624, 289856, 368088, 380436, 405022, 420672, 434784, 490784, 507248, 607533, 736176, 760872, 810044, 869568, 981568, 1014496, 1215066, 1417577, 1472352, 1521744, 1620088, 2028992, 2430132, 2835154, 2944704, 3043488, 3240176, 4252731, 4860264, 5670308, 6086976, 6480352, 8505462, 9720528, 9923039, 11340616, 12960704, 17010924, 19441056, 19846078, 22681232, 29769117, 34021848, 38882112, 39692156, 45362464, 59538234, 68043696, 79384312, 90724928, 119076468, 136087392, 158768624, 238152936, 272174784, 317537248, 476305872, 635074496, 952611744, 1905223488]

約数ペア:

[(1, 1905223488), (2, 952611744), (3, 635074496), (4, 476305872), (6, 317537248), (7, 272174784), (8, 238152936), (12, 158768624), (14, 136087392), (16, 119076468), (21, 90724928), (24, 79384312), (28, 68043696), (32, 59538234), (42, 45362464), (48, 39692156), (49, 38882112), (56, 34021848), (64, 29769117), (84, 22681232), (96, 19846078), (98, 19441056), (112, 17010924), (147, 12960704), (168, 11340616), (192, 9923039), (196, 9720528), (224, 8505462), (294, 6480352), (313, 6086976), (336, 5670308), (392, 4860264), (448, 4252731), (588, 3240176), (626, 3043488), (647, 2944704), (672, 2835154), (784, 2430132), (939, 2028992), (1176, 1620088), (1252, 1521744), (1294, 1472352), (1344, 1417577), (1568, 1215066), (1878, 1014496), (1941, 981568), (2191, 869568), (2352, 810044), (2504, 760872), (2588, 736176), (3136, 607533), (3756, 507248), (3882, 490784), (4382, 434784), (4529, 420672), (4704, 405022), (5008, 380436), (5176, 368088), (6573, 289856), (7512, 253624), (7764, 245392), (8764, 217392), (9058, 210336), (9408, 202511), (10016, 190218), (10352, 184044), (13146, 144928), (13587, 140224), (15024, 126812), (15337, 124224), (15528, 122696), (17528, 108696), (18116, 105168), (20032, 95109), (20704, 92022), (26292, 72464), (27174, 70112), (30048, 63406), (30674, 62112), (31056, 61348), (31703, 60096), (35056, 54348), (36232, 52584), (41408, 46011)]