20951718900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1999}}^1$

素因数の和:2084

約数の個数: 432

約数和(自身を含む): 75995136000

約数和(自身を除く): 55043417100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 25, 28, 30, 31, 35, 42, 46, 49, 50, 60, 62, 69, 70, 75, 84, 92, 93, 98, 100, 105, 115, 124, 138, 140, 147, 150, 155, 161, 175, 186, 196, 210, 217, 230, 245, 276, 294, 300, 310, 322, 345, 350, 372, 420, 434, 460, 465, 483, 490, 525, 575, 588, 620, 644, 651, 690, 700, 713, 735, 775, 805, 868, 930, 966, 980, 1050, 1085, 1127, 1150, 1225, 1302, 1380, 1426, 1470, 1519, 1550, 1610, 1725, 1860, 1932, 1999, 2100, 2139, 2170, 2254, 2300, 2325, 2415, 2450, 2604, 2852, 2940, 3038, 3100, 3220, 3255, 3381, 3450, 3565, 3675, 3998, 4025, 4278, 4340, 4508, 4557, 4650, 4830, 4900, 4991, 5425, 5635, 5997, 6076, 6510, 6762, 6900, 7130, 7350, 7595, 7996, 8050, 8556, 9114, 9300, 9660, 9982, 9995, 10695, 10850, 11270, 11994, 12075, 13020, 13524, 13993, 14260, 14700, 14973, 15190, 16100, 16275, 16905, 17825, 18228, 19964, 19990, 21390, 21700, 22540, 22785, 23988, 24150, 24955, 27986, 28175, 29946, 29985, 30380, 32550, 33810, 34937, 35650, 37975, 39980, 41979, 42780, 45570, 45977, 48300, 49910, 49975, 53475, 55972, 56350, 59892, 59970, 61969, 65100, 67620, 69874, 69965, 71300, 74865, 75950, 83958, 84525, 91140, 91954, 97951, 99820, 99950, 104811, 106950, 112700, 113925, 119940, 123938, 124775, 137931, 139748, 139930, 149730, 149925, 151900, 167916, 169050, 174685, 183908, 185907, 195902, 199900, 209622, 209895, 213900, 227850, 229885, 247876, 249550, 275862, 279860, 293853, 299460, 299850, 309845, 321839, 338100, 349370, 349825, 371814, 374325, 391804, 419244, 419790, 433783, 455700, 459770, 489755, 499100, 524055, 551724, 587706, 599700, 619690, 643678, 689655, 698740, 699650, 743628, 748650, 839580, 867566, 873425, 919540, 929535, 965517, 979510, 1048110, 1049475, 1149425, 1175412, 1239380, 1287356, 1301349, 1379310, 1399300, 1425287, 1469265, 1497300, 1549225, 1609195, 1735132, 1746850, 1859070, 1931034, 1959020, 2096220, 2098950, 2168915, 2252873, 2298850, 2448775, 2602698, 2620275, 2758620, 2850574, 2938530, 3036481, 3098450, 3218390, 3448275, 3493700, 3718140, 3862068, 4197900, 4275861, 4337830, 4505746, 4597700, 4647675, 4827585, 4897550, 5205396, 5240550, 5701148, 5877060, 6072962, 6196900, 6436780, 6506745, 6758619, 6896550, 7126435, 7346325, 8045975, 8551722, 8675660, 9011492, 9109443, 9295350, 9655170, 9795100, 9977009, 10481100, 10844575, 11264365, 12145924, 13013490, 13517238, 13793100, 14252870, 14692650, 15182405, 16091950, 17103444, 18218886, 18590700, 19310340, 19954018, 21379305, 21689150, 22528730, 24137925, 26026980, 27034476, 28505740, 29385300, 29931027, 30364810, 32183900, 32533725, 33793095, 35632175, 36437772, 39908036, 42758610, 43378300, 45057460, 45547215, 48275850, 49885045, 56321825, 59862054, 60729620, 65067450, 67586190, 69839063, 71264350, 75912025, 85517220, 91094430, 96551700, 99770090, 106896525, 112643650, 119724108, 130134900, 135172380, 139678126, 142528700, 149655135, 151824050, 168965475, 182188860, 199540180, 209517189, 213793050, 225287300, 227736075, 249425225, 279356252, 299310270, 303648100, 337930950, 349195315, 419034378, 427586100, 455472150, 498850450, 598620540, 675861900, 698390630, 748275675, 838068756, 910944300, 997700900, 1047585945, 1396781260, 1496551350, 1745976575, 2095171890, 2993102700, 3491953150, 4190343780, 5237929725, 6983906300, 10475859450, 20951718900]

約数ペア:

[(1, 20951718900), (2, 10475859450), (3, 6983906300), (4, 5237929725), (5, 4190343780), (6, 3491953150), (7, 2993102700), (10, 2095171890), (12, 1745976575), (14, 1496551350), (15, 1396781260), (20, 1047585945), (21, 997700900), (23, 910944300), (25, 838068756), (28, 748275675), (30, 698390630), (31, 675861900), (35, 598620540), (42, 498850450), (46, 455472150), (49, 427586100), (50, 419034378), (60, 349195315), (62, 337930950), (69, 303648100), (70, 299310270), (75, 279356252), (84, 249425225), (92, 227736075), (93, 225287300), (98, 213793050), (100, 209517189), (105, 199540180), (115, 182188860), (124, 168965475), (138, 151824050), (140, 149655135), (147, 142528700), (150, 139678126), (155, 135172380), (161, 130134900), (175, 119724108), (186, 112643650), (196, 106896525), (210, 99770090), (217, 96551700), (230, 91094430), (245, 85517220), (276, 75912025), (294, 71264350), (300, 69839063), (310, 67586190), (322, 65067450), (345, 60729620), (350, 59862054), (372, 56321825), (420, 49885045), (434, 48275850), (460, 45547215), (465, 45057460), (483, 43378300), (490, 42758610), (525, 39908036), (575, 36437772), (588, 35632175), (620, 33793095), (644, 32533725), (651, 32183900), (690, 30364810), (700, 29931027), (713, 29385300), (735, 28505740), (775, 27034476), (805, 26026980), (868, 24137925), (930, 22528730), (966, 21689150), (980, 21379305), (1050, 19954018), (1085, 19310340), (1127, 18590700), (1150, 18218886), (1225, 17103444), (1302, 16091950), (1380, 15182405), (1426, 14692650), (1470, 14252870), (1519, 13793100), (1550, 13517238), (1610, 13013490), (1725, 12145924), (1860, 11264365), (1932, 10844575), (1999, 10481100), (2100, 9977009), (2139, 9795100), (2170, 9655170), (2254, 9295350), (2300, 9109443), (2325, 9011492), (2415, 8675660), (2450, 8551722), (2604, 8045975), (2852, 7346325), (2940, 7126435), (3038, 6896550), (3100, 6758619), (3220, 6506745), (3255, 6436780), (3381, 6196900), (3450, 6072962), (3565, 5877060), (3675, 5701148), (3998, 5240550), (4025, 5205396), (4278, 4897550), (4340, 4827585), (4508, 4647675), (4557, 4597700), (4650, 4505746), (4830, 4337830), (4900, 4275861), (4991, 4197900), (5425, 3862068), (5635, 3718140), (5997, 3493700), (6076, 3448275), (6510, 3218390), (6762, 3098450), (6900, 3036481), (7130, 2938530), (7350, 2850574), (7595, 2758620), (7996, 2620275), (8050, 2602698), (8556, 2448775), (9114, 2298850), (9300, 2252873), (9660, 2168915), (9982, 2098950), (9995, 2096220), (10695, 1959020), (10850, 1931034), (11270, 1859070), (11994, 1746850), (12075, 1735132), (13020, 1609195), (13524, 1549225), (13993, 1497300), (14260, 1469265), (14700, 1425287), (14973, 1399300), (15190, 1379310), (16100, 1301349), (16275, 1287356), (16905, 1239380), (17825, 1175412), (18228, 1149425), (19964, 1049475), (19990, 1048110), (21390, 979510), (21700, 965517), (22540, 929535), (22785, 919540), (23988, 873425), (24150, 867566), (24955, 839580), (27986, 748650), (28175, 743628), (29946, 699650), (29985, 698740), (30380, 689655), (32550, 643678), (33810, 619690), (34937, 599700), (35650, 587706), (37975, 551724), (39980, 524055), (41979, 499100), (42780, 489755), (45570, 459770), (45977, 455700), (48300, 433783), (49910, 419790), (49975, 419244), (53475, 391804), (55972, 374325), (56350, 371814), (59892, 349825), (59970, 349370), (61969, 338100), (65100, 321839), (67620, 309845), (69874, 299850), (69965, 299460), (71300, 293853), (74865, 279860), (75950, 275862), (83958, 249550), (84525, 247876), (91140, 229885), (91954, 227850), (97951, 213900), (99820, 209895), (99950, 209622), (104811, 199900), (106950, 195902), (112700, 185907), (113925, 183908), (119940, 174685), (123938, 169050), (124775, 167916), (137931, 151900), (139748, 149925), (139930, 149730)]