1909040

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{487}}^1$

素因数の和:514

約数の個数: 60

約数和(自身を含む): 5173776

約数和(自身を除く): 3264736

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 487, 490, 560, 784, 974, 980, 1948, 1960, 2435, 3409, 3896, 3920, 4870, 6818, 7792, 9740, 13636, 17045, 19480, 23863, 27272, 34090, 38960, 47726, 54544, 68180, 95452, 119315, 136360, 190904, 238630, 272720, 381808, 477260, 954520, 1909040]

約数ペア:

[(1, 1909040), (2, 954520), (4, 477260), (5, 381808), (7, 272720), (8, 238630), (10, 190904), (14, 136360), (16, 119315), (20, 95452), (28, 68180), (35, 54544), (40, 47726), (49, 38960), (56, 34090), (70, 27272), (80, 23863), (98, 19480), (112, 17045), (140, 13636), (196, 9740), (245, 7792), (280, 6818), (392, 4870), (487, 3920), (490, 3896), (560, 3409), (784, 2435), (974, 1960), (980, 1948)]