220990000

素因数分解:

$2^4\times 5^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1$

素因数の和:94

約数の個数: 300

約数和(自身を含む): 695533608

約数和(自身を除く): 474543608

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 25, 28, 35, 40, 41, 44, 49, 50, 55, 56, 70, 77, 80, 82, 88, 98, 100, 110, 112, 125, 140, 154, 164, 175, 176, 196, 200, 205, 220, 245, 250, 275, 280, 287, 308, 328, 350, 385, 392, 400, 410, 440, 451, 490, 500, 539, 550, 560, 574, 616, 625, 656, 700, 770, 784, 820, 875, 880, 902, 980, 1000, 1025, 1078, 1100, 1148, 1225, 1232, 1250, 1375, 1400, 1435, 1540, 1640, 1750, 1804, 1925, 1960, 2000, 2009, 2050, 2156, 2200, 2255, 2296, 2450, 2500, 2695, 2750, 2800, 2870, 3080, 3157, 3280, 3500, 3608, 3850, 3920, 4018, 4100, 4312, 4375, 4400, 4510, 4592, 4900, 5000, 5125, 5390, 5500, 5740, 6125, 6160, 6314, 6875, 7000, 7175, 7216, 7700, 8036, 8200, 8624, 8750, 9020, 9625, 9800, 10000, 10045, 10250, 10780, 11000, 11275, 11480, 12250, 12628, 13475, 13750, 14000, 14350, 15400, 15785, 16072, 16400, 17500, 18040, 19250, 19600, 20090, 20500, 21560, 22000, 22099, 22550, 22960, 24500, 25256, 25625, 26950, 27500, 28700, 30625, 30800, 31570, 32144, 35000, 35875, 36080, 38500, 40180, 41000, 43120, 44198, 45100, 48125, 49000, 50225, 50512, 51250, 53900, 55000, 56375, 57400, 61250, 63140, 67375, 70000, 71750, 77000, 78925, 80360, 82000, 88396, 90200, 96250, 98000, 100450, 102500, 107800, 110000, 110495, 112750, 114800, 122500, 126280, 134750, 143500, 154000, 157850, 160720, 176792, 179375, 180400, 192500, 200900, 205000, 215600, 220990, 225500, 245000, 251125, 252560, 269500, 281875, 287000, 315700, 336875, 353584, 358750, 385000, 394625, 401800, 410000, 441980, 451000, 490000, 502250, 539000, 552475, 563750, 574000, 631400, 673750, 717500, 770000, 789250, 803600, 883960, 902000, 1004500, 1078000, 1104950, 1127500, 1255625, 1262800, 1347500, 1435000, 1578500, 1767920, 1973125, 2009000, 2209900, 2255000, 2511250, 2695000, 2762375, 2870000, 3157000, 3946250, 4018000, 4419800, 4510000, 5022500, 5390000, 5524750, 6314000, 7892500, 8839600, 10045000, 11049500, 13811875, 15785000, 20090000, 22099000, 27623750, 31570000, 44198000, 55247500, 110495000, 220990000]

約数ペア:

[(1, 220990000), (2, 110495000), (4, 55247500), (5, 44198000), (7, 31570000), (8, 27623750), (10, 22099000), (11, 20090000), (14, 15785000), (16, 13811875), (20, 11049500), (22, 10045000), (25, 8839600), (28, 7892500), (35, 6314000), (40, 5524750), (41, 5390000), (44, 5022500), (49, 4510000), (50, 4419800), (55, 4018000), (56, 3946250), (70, 3157000), (77, 2870000), (80, 2762375), (82, 2695000), (88, 2511250), (98, 2255000), (100, 2209900), (110, 2009000), (112, 1973125), (125, 1767920), (140, 1578500), (154, 1435000), (164, 1347500), (175, 1262800), (176, 1255625), (196, 1127500), (200, 1104950), (205, 1078000), (220, 1004500), (245, 902000), (250, 883960), (275, 803600), (280, 789250), (287, 770000), (308, 717500), (328, 673750), (350, 631400), (385, 574000), (392, 563750), (400, 552475), (410, 539000), (440, 502250), (451, 490000), (490, 451000), (500, 441980), (539, 410000), (550, 401800), (560, 394625), (574, 385000), (616, 358750), (625, 353584), (656, 336875), (700, 315700), (770, 287000), (784, 281875), (820, 269500), (875, 252560), (880, 251125), (902, 245000), (980, 225500), (1000, 220990), (1025, 215600), (1078, 205000), (1100, 200900), (1148, 192500), (1225, 180400), (1232, 179375), (1250, 176792), (1375, 160720), (1400, 157850), (1435, 154000), (1540, 143500), (1640, 134750), (1750, 126280), (1804, 122500), (1925, 114800), (1960, 112750), (2000, 110495), (2009, 110000), (2050, 107800), (2156, 102500), (2200, 100450), (2255, 98000), (2296, 96250), (2450, 90200), (2500, 88396), (2695, 82000), (2750, 80360), (2800, 78925), (2870, 77000), (3080, 71750), (3157, 70000), (3280, 67375), (3500, 63140), (3608, 61250), (3850, 57400), (3920, 56375), (4018, 55000), (4100, 53900), (4312, 51250), (4375, 50512), (4400, 50225), (4510, 49000), (4592, 48125), (4900, 45100), (5000, 44198), (5125, 43120), (5390, 41000), (5500, 40180), (5740, 38500), (6125, 36080), (6160, 35875), (6314, 35000), (6875, 32144), (7000, 31570), (7175, 30800), (7216, 30625), (7700, 28700), (8036, 27500), (8200, 26950), (8624, 25625), (8750, 25256), (9020, 24500), (9625, 22960), (9800, 22550), (10000, 22099), (10045, 22000), (10250, 21560), (10780, 20500), (11000, 20090), (11275, 19600), (11480, 19250), (12250, 18040), (12628, 17500), (13475, 16400), (13750, 16072), (14000, 15785), (14350, 15400)]