627340

素因数分解:

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

素因数の和:4497

約数の個数: 24

約数和(自身を含む): 1505952

約数和(自身を除く): 878612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4481, 8962, 17924, 22405, 31367, 44810, 62734, 89620, 125468, 156835, 313670, 627340]

約数ペア:

[(1, 627340), (2, 313670), (4, 156835), (5, 125468), (7, 89620), (10, 62734), (14, 44810), (20, 31367), (28, 22405), (35, 17924), (70, 8962), (140, 4481)]