1990006368

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{647}}^1$

素因数の和:889

約数の個数: 192

約数和(自身を含む): 6270566400

約数和(自身を除く): 4280560032

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 32, 42, 46, 48, 56, 69, 84, 92, 96, 112, 138, 161, 168, 184, 199, 224, 276, 322, 336, 368, 398, 483, 552, 597, 644, 647, 672, 736, 796, 966, 1104, 1194, 1288, 1294, 1393, 1592, 1932, 1941, 2208, 2388, 2576, 2588, 2786, 3184, 3864, 3882, 4179, 4529, 4577, 4776, 5152, 5176, 5572, 6368, 7728, 7764, 8358, 9058, 9154, 9552, 10352, 11144, 13587, 13731, 14881, 15456, 15528, 16716, 18116, 18308, 19104, 20704, 22288, 27174, 27462, 29762, 31056, 32039, 33432, 36232, 36616, 44576, 44643, 54348, 54924, 59524, 62112, 64078, 66864, 72464, 73232, 89286, 96117, 104167, 108696, 109848, 119048, 128156, 128753, 133728, 144928, 146464, 178572, 192234, 208334, 217392, 219696, 238096, 256312, 257506, 312501, 357144, 384468, 386259, 416668, 434784, 439392, 476192, 512624, 515012, 625002, 714288, 768936, 772518, 833336, 901271, 1025248, 1030024, 1250004, 1428576, 1537872, 1545036, 1666672, 1802542, 2060048, 2500008, 2703813, 2961319, 3075744, 3090072, 3333344, 3605084, 4120096, 5000016, 5407626, 5922638, 6180144, 7210168, 8883957, 10000032, 10815252, 11845276, 12360288, 14420336, 17767914, 20729233, 21630504, 23690552, 28840672, 35535828, 41458466, 43261008, 47381104, 62187699, 71071656, 82916932, 86522016, 94762208, 124375398, 142143312, 165833864, 248750796, 284286624, 331667728, 497501592, 663335456, 995003184, 1990006368]

約数ペア:

[(1, 1990006368), (2, 995003184), (3, 663335456), (4, 497501592), (6, 331667728), (7, 284286624), (8, 248750796), (12, 165833864), (14, 142143312), (16, 124375398), (21, 94762208), (23, 86522016), (24, 82916932), (28, 71071656), (32, 62187699), (42, 47381104), (46, 43261008), (48, 41458466), (56, 35535828), (69, 28840672), (84, 23690552), (92, 21630504), (96, 20729233), (112, 17767914), (138, 14420336), (161, 12360288), (168, 11845276), (184, 10815252), (199, 10000032), (224, 8883957), (276, 7210168), (322, 6180144), (336, 5922638), (368, 5407626), (398, 5000016), (483, 4120096), (552, 3605084), (597, 3333344), (644, 3090072), (647, 3075744), (672, 2961319), (736, 2703813), (796, 2500008), (966, 2060048), (1104, 1802542), (1194, 1666672), (1288, 1545036), (1294, 1537872), (1393, 1428576), (1592, 1250004), (1932, 1030024), (1941, 1025248), (2208, 901271), (2388, 833336), (2576, 772518), (2588, 768936), (2786, 714288), (3184, 625002), (3864, 515012), (3882, 512624), (4179, 476192), (4529, 439392), (4577, 434784), (4776, 416668), (5152, 386259), (5176, 384468), (5572, 357144), (6368, 312501), (7728, 257506), (7764, 256312), (8358, 238096), (9058, 219696), (9154, 217392), (9552, 208334), (10352, 192234), (11144, 178572), (13587, 146464), (13731, 144928), (14881, 133728), (15456, 128753), (15528, 128156), (16716, 119048), (18116, 109848), (18308, 108696), (19104, 104167), (20704, 96117), (22288, 89286), (27174, 73232), (27462, 72464), (29762, 66864), (31056, 64078), (32039, 62112), (33432, 59524), (36232, 54924), (36616, 54348), (44576, 44643)]