87827600

素因数分解:

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

素因数の和:4513

約数の個数: 90

約数和(自身を含む): 245510514

約数和(自身を除く): 157682914

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, 140, 175, 196, 200, 245, 280, 350, 392, 400, 490, 560, 700, 784, 980, 1225, 1400, 1960, 2450, 2800, 3920, 4481, 4900, 8962, 9800, 17924, 19600, 22405, 31367, 35848, 44810, 62734, 71696, 89620, 112025, 125468, 156835, 179240, 219569, 224050, 250936, 313670, 358480, 439138, 448100, 501872, 627340, 784175, 878276, 896200, 1097845, 1254680, 1568350, 1756552, 1792400, 2195690, 2509360, 3136700, 3513104, 4391380, 5489225, 6273400, 8782760, 10978450, 12546800, 17565520, 21956900, 43913800, 87827600]

約数ペア:

[(1, 87827600), (2, 43913800), (4, 21956900), (5, 17565520), (7, 12546800), (8, 10978450), (10, 8782760), (14, 6273400), (16, 5489225), (20, 4391380), (25, 3513104), (28, 3136700), (35, 2509360), (40, 2195690), (49, 1792400), (50, 1756552), (56, 1568350), (70, 1254680), (80, 1097845), (98, 896200), (100, 878276), (112, 784175), (140, 627340), (175, 501872), (196, 448100), (200, 439138), (245, 358480), (280, 313670), (350, 250936), (392, 224050), (400, 219569), (490, 179240), (560, 156835), (700, 125468), (784, 112025), (980, 89620), (1225, 71696), (1400, 62734), (1960, 44810), (2450, 35848), (2800, 31367), (3920, 22405), (4481, 19600), (4900, 17924), (8962, 9800)]