19090400

素因数分解:

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

素因数の和:521

約数の個数: 108

約数和(自身を含む): 54324648

約数和(自身を除く): 35234248

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 160, 175, 196, 200, 224, 245, 280, 350, 392, 400, 487, 490, 560, 700, 784, 800, 974, 980, 1120, 1225, 1400, 1568, 1948, 1960, 2435, 2450, 2800, 3409, 3896, 3920, 4870, 4900, 5600, 6818, 7792, 7840, 9740, 9800, 12175, 13636, 15584, 17045, 19480, 19600, 23863, 24350, 27272, 34090, 38960, 39200, 47726, 48700, 54544, 68180, 77920, 85225, 95452, 97400, 109088, 119315, 136360, 170450, 190904, 194800, 238630, 272720, 340900, 381808, 389600, 477260, 545440, 596575, 681800, 763616, 954520, 1193150, 1363600, 1909040, 2386300, 2727200, 3818080, 4772600, 9545200, 19090400]

約数ペア:

[(1, 19090400), (2, 9545200), (4, 4772600), (5, 3818080), (7, 2727200), (8, 2386300), (10, 1909040), (14, 1363600), (16, 1193150), (20, 954520), (25, 763616), (28, 681800), (32, 596575), (35, 545440), (40, 477260), (49, 389600), (50, 381808), (56, 340900), (70, 272720), (80, 238630), (98, 194800), (100, 190904), (112, 170450), (140, 136360), (160, 119315), (175, 109088), (196, 97400), (200, 95452), (224, 85225), (245, 77920), (280, 68180), (350, 54544), (392, 48700), (400, 47726), (487, 39200), (490, 38960), (560, 34090), (700, 27272), (784, 24350), (800, 23863), (974, 19600), (980, 19480), (1120, 17045), (1225, 15584), (1400, 13636), (1568, 12175), (1948, 9800), (1960, 9740), (2435, 7840), (2450, 7792), (2800, 6818), (3409, 5600), (3896, 4900), (3920, 4870)]