381808000

素因数分解:

$2^7\times 5^3\times 7^2\times {\mathrm{487}}^1$

素因数の和:530

約数の個数: 192

約数和(自身を含む): 1106520480

約数和(自身を除く): 724712480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 80, 98, 100, 112, 125, 128, 140, 160, 175, 196, 200, 224, 245, 250, 280, 320, 350, 392, 400, 448, 487, 490, 500, 560, 640, 700, 784, 800, 875, 896, 974, 980, 1000, 1120, 1225, 1400, 1568, 1600, 1750, 1948, 1960, 2000, 2240, 2435, 2450, 2800, 3136, 3200, 3409, 3500, 3896, 3920, 4000, 4480, 4870, 4900, 5600, 6125, 6272, 6818, 7000, 7792, 7840, 8000, 9740, 9800, 11200, 12175, 12250, 13636, 14000, 15584, 15680, 16000, 17045, 19480, 19600, 22400, 23863, 24350, 24500, 27272, 28000, 31168, 31360, 34090, 38960, 39200, 47726, 48700, 49000, 54544, 56000, 60875, 62336, 68180, 77920, 78400, 85225, 95452, 97400, 98000, 109088, 112000, 119315, 121750, 136360, 155840, 156800, 170450, 190904, 194800, 196000, 218176, 238630, 243500, 272720, 311680, 340900, 381808, 389600, 392000, 426125, 436352, 477260, 487000, 545440, 596575, 681800, 763616, 779200, 784000, 852250, 954520, 974000, 1090880, 1193150, 1363600, 1527232, 1558400, 1704500, 1909040, 1948000, 2181760, 2386300, 2727200, 2982875, 3054464, 3409000, 3818080, 3896000, 4772600, 5454400, 5965750, 6818000, 7636160, 7792000, 9545200, 10908800, 11931500, 13636000, 15272320, 19090400, 23863000, 27272000, 38180800, 47726000, 54544000, 76361600, 95452000, 190904000, 381808000]

約数ペア:

[(1, 381808000), (2, 190904000), (4, 95452000), (5, 76361600), (7, 54544000), (8, 47726000), (10, 38180800), (14, 27272000), (16, 23863000), (20, 19090400), (25, 15272320), (28, 13636000), (32, 11931500), (35, 10908800), (40, 9545200), (49, 7792000), (50, 7636160), (56, 6818000), (64, 5965750), (70, 5454400), (80, 4772600), (98, 3896000), (100, 3818080), (112, 3409000), (125, 3054464), (128, 2982875), (140, 2727200), (160, 2386300), (175, 2181760), (196, 1948000), (200, 1909040), (224, 1704500), (245, 1558400), (250, 1527232), (280, 1363600), (320, 1193150), (350, 1090880), (392, 974000), (400, 954520), (448, 852250), (487, 784000), (490, 779200), (500, 763616), (560, 681800), (640, 596575), (700, 545440), (784, 487000), (800, 477260), (875, 436352), (896, 426125), (974, 392000), (980, 389600), (1000, 381808), (1120, 340900), (1225, 311680), (1400, 272720), (1568, 243500), (1600, 238630), (1750, 218176), (1948, 196000), (1960, 194800), (2000, 190904), (2240, 170450), (2435, 156800), (2450, 155840), (2800, 136360), (3136, 121750), (3200, 119315), (3409, 112000), (3500, 109088), (3896, 98000), (3920, 97400), (4000, 95452), (4480, 85225), (4870, 78400), (4900, 77920), (5600, 68180), (6125, 62336), (6272, 60875), (6818, 56000), (7000, 54544), (7792, 49000), (7840, 48700), (8000, 47726), (9740, 39200), (9800, 38960), (11200, 34090), (12175, 31360), (12250, 31168), (13636, 28000), (14000, 27272), (15584, 24500), (15680, 24350), (16000, 23863), (17045, 22400), (19480, 19600)]