439138000

素因数分解:

$2^4\times 5^3\times 7^2\times {\mathrm{4481}}^1$

素因数の和:4518

約数の個数: 120

約数和(自身を含む): 1235472264

約数和(自身を除く): 796334264

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 125, 140, 175, 196, 200, 245, 250, 280, 350, 392, 400, 490, 500, 560, 700, 784, 875, 980, 1000, 1225, 1400, 1750, 1960, 2000, 2450, 2800, 3500, 3920, 4481, 4900, 6125, 7000, 8962, 9800, 12250, 14000, 17924, 19600, 22405, 24500, 31367, 35848, 44810, 49000, 62734, 71696, 89620, 98000, 112025, 125468, 156835, 179240, 219569, 224050, 250936, 313670, 358480, 439138, 448100, 501872, 560125, 627340, 784175, 878276, 896200, 1097845, 1120250, 1254680, 1568350, 1756552, 1792400, 2195690, 2240500, 2509360, 3136700, 3513104, 3920875, 4391380, 4481000, 5489225, 6273400, 7841750, 8782760, 8962000, 10978450, 12546800, 15683500, 17565520, 21956900, 27446125, 31367000, 43913800, 54892250, 62734000, 87827600, 109784500, 219569000, 439138000]

約数ペア:

[(1, 439138000), (2, 219569000), (4, 109784500), (5, 87827600), (7, 62734000), (8, 54892250), (10, 43913800), (14, 31367000), (16, 27446125), (20, 21956900), (25, 17565520), (28, 15683500), (35, 12546800), (40, 10978450), (49, 8962000), (50, 8782760), (56, 7841750), (70, 6273400), (80, 5489225), (98, 4481000), (100, 4391380), (112, 3920875), (125, 3513104), (140, 3136700), (175, 2509360), (196, 2240500), (200, 2195690), (245, 1792400), (250, 1756552), (280, 1568350), (350, 1254680), (392, 1120250), (400, 1097845), (490, 896200), (500, 878276), (560, 784175), (700, 627340), (784, 560125), (875, 501872), (980, 448100), (1000, 439138), (1225, 358480), (1400, 313670), (1750, 250936), (1960, 224050), (2000, 219569), (2450, 179240), (2800, 156835), (3500, 125468), (3920, 112025), (4481, 98000), (4900, 89620), (6125, 71696), (7000, 62734), (8962, 49000), (9800, 44810), (12250, 35848), (14000, 31367), (17924, 24500), (19600, 22405)]