1254680

素因数分解:

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

素因数の和:4499

約数の個数: 32

約数和(自身を含む): 3227040

約数和(自身を除く): 1972360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 4481, 8962, 17924, 22405, 31367, 35848, 44810, 62734, 89620, 125468, 156835, 179240, 250936, 313670, 627340, 1254680]

約数ペア:

[(1, 1254680), (2, 627340), (4, 313670), (5, 250936), (7, 179240), (8, 156835), (10, 125468), (14, 89620), (20, 62734), (28, 44810), (35, 35848), (40, 31367), (56, 22405), (70, 17924), (140, 8962), (280, 4481)]