20216398950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{421}}^1$

素因数の和:648

約数の個数: 288

約数和(自身を含む): 60611522400

約数和(自身を除く): 40395123450

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 25, 30, 33, 45, 50, 55, 66, 75, 89, 90, 99, 109, 110, 150, 165, 178, 198, 218, 225, 267, 275, 327, 330, 421, 445, 450, 495, 534, 545, 550, 654, 801, 825, 842, 890, 979, 981, 990, 1090, 1199, 1263, 1335, 1602, 1635, 1650, 1958, 1962, 2105, 2225, 2398, 2475, 2526, 2670, 2725, 2937, 3270, 3597, 3789, 4005, 4210, 4450, 4631, 4895, 4905, 4950, 5450, 5874, 5995, 6315, 6675, 7194, 7578, 8010, 8175, 8811, 9262, 9701, 9790, 9810, 10525, 10791, 11990, 12630, 13350, 13893, 14685, 16350, 17622, 17985, 18945, 19402, 20025, 21050, 21582, 23155, 24475, 24525, 27786, 29103, 29370, 29975, 31575, 35970, 37469, 37890, 40050, 41679, 44055, 45889, 46310, 48505, 48950, 49050, 53955, 58206, 59950, 63150, 69465, 73425, 74938, 83358, 87309, 88110, 89925, 91778, 94725, 97010, 106711, 107910, 112407, 115775, 137667, 138930, 145515, 146850, 174618, 179850, 187345, 189450, 208395, 213422, 220275, 224814, 229445, 231550, 242525, 269775, 275334, 291030, 320133, 337221, 347325, 374690, 412159, 413001, 416790, 436545, 440550, 458890, 485050, 504779, 533555, 539550, 562035, 640266, 674442, 688335, 694650, 727575, 824318, 826002, 873090, 936725, 960399, 1009558, 1041975, 1067110, 1124070, 1147225, 1236477, 1376670, 1455150, 1514337, 1600665, 1686105, 1873450, 1920798, 2060795, 2065005, 2083950, 2182725, 2294450, 2472954, 2523895, 2667775, 2810175, 3028674, 3201330, 3372210, 3441675, 3709431, 4084121, 4121590, 4130010, 4365450, 4543011, 4801995, 5047790, 5335550, 5620350, 6182385, 6883350, 7418862, 7571685, 8003325, 8168242, 8430525, 9086022, 9603990, 10303975, 10325025, 12252363, 12364770, 12619475, 15143370, 16006650, 16861050, 18547155, 20420605, 20607950, 20650050, 22715055, 24009975, 24504726, 25238950, 30911925, 36757089, 37094310, 37858425, 40841210, 44925331, 45430110, 48019950, 61261815, 61823850, 73514178, 75716850, 89850662, 92735775, 102103025, 113575275, 122523630, 134775993, 183785445, 185471550, 204206050, 224626655, 227150550, 269551986, 306309075, 367570890, 404327979, 449253310, 612618150, 673879965, 808655958, 918927225, 1123133275, 1347759930, 1837854450, 2021639895, 2246266550, 3369399825, 4043279790, 6738799650, 10108199475, 20216398950]

約数ペア:

[(1, 20216398950), (2, 10108199475), (3, 6738799650), (5, 4043279790), (6, 3369399825), (9, 2246266550), (10, 2021639895), (11, 1837854450), (15, 1347759930), (18, 1123133275), (22, 918927225), (25, 808655958), (30, 673879965), (33, 612618150), (45, 449253310), (50, 404327979), (55, 367570890), (66, 306309075), (75, 269551986), (89, 227150550), (90, 224626655), (99, 204206050), (109, 185471550), (110, 183785445), (150, 134775993), (165, 122523630), (178, 113575275), (198, 102103025), (218, 92735775), (225, 89850662), (267, 75716850), (275, 73514178), (327, 61823850), (330, 61261815), (421, 48019950), (445, 45430110), (450, 44925331), (495, 40841210), (534, 37858425), (545, 37094310), (550, 36757089), (654, 30911925), (801, 25238950), (825, 24504726), (842, 24009975), (890, 22715055), (979, 20650050), (981, 20607950), (990, 20420605), (1090, 18547155), (1199, 16861050), (1263, 16006650), (1335, 15143370), (1602, 12619475), (1635, 12364770), (1650, 12252363), (1958, 10325025), (1962, 10303975), (2105, 9603990), (2225, 9086022), (2398, 8430525), (2475, 8168242), (2526, 8003325), (2670, 7571685), (2725, 7418862), (2937, 6883350), (3270, 6182385), (3597, 5620350), (3789, 5335550), (4005, 5047790), (4210, 4801995), (4450, 4543011), (4631, 4365450), (4895, 4130010), (4905, 4121590), (4950, 4084121), (5450, 3709431), (5874, 3441675), (5995, 3372210), (6315, 3201330), (6675, 3028674), (7194, 2810175), (7578, 2667775), (8010, 2523895), (8175, 2472954), (8811, 2294450), (9262, 2182725), (9701, 2083950), (9790, 2065005), (9810, 2060795), (10525, 1920798), (10791, 1873450), (11990, 1686105), (12630, 1600665), (13350, 1514337), (13893, 1455150), (14685, 1376670), (16350, 1236477), (17622, 1147225), (17985, 1124070), (18945, 1067110), (19402, 1041975), (20025, 1009558), (21050, 960399), (21582, 936725), (23155, 873090), (24475, 826002), (24525, 824318), (27786, 727575), (29103, 694650), (29370, 688335), (29975, 674442), (31575, 640266), (35970, 562035), (37469, 539550), (37890, 533555), (40050, 504779), (41679, 485050), (44055, 458890), (45889, 440550), (46310, 436545), (48505, 416790), (48950, 413001), (49050, 412159), (53955, 374690), (58206, 347325), (59950, 337221), (63150, 320133), (69465, 291030), (73425, 275334), (74938, 269775), (83358, 242525), (87309, 231550), (88110, 229445), (89925, 224814), (91778, 220275), (94725, 213422), (97010, 208395), (106711, 189450), (107910, 187345), (112407, 179850), (115775, 174618), (137667, 146850), (138930, 145515)]