1998889704

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{251}}^1$

素因数の和:525

約数の個数: 256

約数和(自身を含む): 6676992000

約数和(自身を除く): 4678102296

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 23, 24, 27, 28, 36, 42, 46, 54, 56, 63, 69, 72, 84, 92, 108, 126, 138, 161, 168, 184, 189, 207, 216, 229, 251, 252, 276, 322, 378, 414, 458, 483, 502, 504, 552, 621, 644, 687, 753, 756, 828, 916, 966, 1004, 1242, 1288, 1374, 1449, 1506, 1512, 1603, 1656, 1757, 1832, 1932, 2008, 2061, 2259, 2484, 2748, 2898, 3012, 3206, 3514, 3864, 4122, 4347, 4518, 4809, 4968, 5267, 5271, 5496, 5773, 5796, 6024, 6183, 6412, 6777, 7028, 8244, 8694, 9036, 9618, 10534, 10542, 11546, 11592, 12366, 12824, 13554, 14056, 14427, 15801, 15813, 16488, 17319, 17388, 18072, 19236, 21068, 21084, 23092, 24732, 27108, 28854, 31602, 31626, 34638, 34776, 36869, 38472, 40411, 42136, 42168, 43281, 46184, 47403, 47439, 49464, 51957, 54216, 57479, 57708, 63204, 63252, 69276, 73738, 80822, 86562, 94806, 94878, 103914, 110607, 114958, 115416, 121233, 126408, 126504, 138552, 142209, 147476, 155871, 161644, 172437, 173124, 189612, 189756, 207828, 221214, 229916, 242466, 284418, 294952, 311742, 323288, 331821, 344874, 346248, 363699, 379224, 379512, 402353, 415656, 442428, 459832, 484932, 517311, 568836, 623484, 663642, 689748, 727398, 804706, 884856, 969864, 995463, 1034622, 1091097, 1137672, 1207059, 1246968, 1322017, 1327284, 1379496, 1454796, 1551933, 1609412, 1990926, 2069244, 2182194, 2414118, 2644034, 2654568, 2909592, 3103866, 3218824, 3621177, 3966051, 3981852, 4138488, 4364388, 4828236, 5288068, 6207732, 7242354, 7932102, 7963704, 8728776, 9254119, 9656472, 10576136, 10863531, 11898153, 12415464, 14484708, 15864204, 18508238, 21727062, 23796306, 27762357, 28969416, 31728408, 35694459, 37016476, 43454124, 47592612, 55524714, 71388918, 74032952, 83287071, 86908248, 95185224, 111049428, 142777836, 166574142, 222098856, 249861213, 285555672, 333148284, 499722426, 666296568, 999444852, 1998889704]

約数ペア:

[(1, 1998889704), (2, 999444852), (3, 666296568), (4, 499722426), (6, 333148284), (7, 285555672), (8, 249861213), (9, 222098856), (12, 166574142), (14, 142777836), (18, 111049428), (21, 95185224), (23, 86908248), (24, 83287071), (27, 74032952), (28, 71388918), (36, 55524714), (42, 47592612), (46, 43454124), (54, 37016476), (56, 35694459), (63, 31728408), (69, 28969416), (72, 27762357), (84, 23796306), (92, 21727062), (108, 18508238), (126, 15864204), (138, 14484708), (161, 12415464), (168, 11898153), (184, 10863531), (189, 10576136), (207, 9656472), (216, 9254119), (229, 8728776), (251, 7963704), (252, 7932102), (276, 7242354), (322, 6207732), (378, 5288068), (414, 4828236), (458, 4364388), (483, 4138488), (502, 3981852), (504, 3966051), (552, 3621177), (621, 3218824), (644, 3103866), (687, 2909592), (753, 2654568), (756, 2644034), (828, 2414118), (916, 2182194), (966, 2069244), (1004, 1990926), (1242, 1609412), (1288, 1551933), (1374, 1454796), (1449, 1379496), (1506, 1327284), (1512, 1322017), (1603, 1246968), (1656, 1207059), (1757, 1137672), (1832, 1091097), (1932, 1034622), (2008, 995463), (2061, 969864), (2259, 884856), (2484, 804706), (2748, 727398), (2898, 689748), (3012, 663642), (3206, 623484), (3514, 568836), (3864, 517311), (4122, 484932), (4347, 459832), (4518, 442428), (4809, 415656), (4968, 402353), (5267, 379512), (5271, 379224), (5496, 363699), (5773, 346248), (5796, 344874), (6024, 331821), (6183, 323288), (6412, 311742), (6777, 294952), (7028, 284418), (8244, 242466), (8694, 229916), (9036, 221214), (9618, 207828), (10534, 189756), (10542, 189612), (11546, 173124), (11592, 172437), (12366, 161644), (12824, 155871), (13554, 147476), (14056, 142209), (14427, 138552), (15801, 126504), (15813, 126408), (16488, 121233), (17319, 115416), (17388, 114958), (18072, 110607), (19236, 103914), (21068, 94878), (21084, 94806), (23092, 86562), (24732, 80822), (27108, 73738), (28854, 69276), (31602, 63252), (31626, 63204), (34638, 57708), (34776, 57479), (36869, 54216), (38472, 51957), (40411, 49464), (42136, 47439), (42168, 47403), (43281, 46184)]