809502680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{2891081}}^1$

素因数の和:2891099

約数の個数: 32

約数和(自身を含む): 2081579040

約数和(自身を除く): 1272076360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 2891081, 5782162, 11564324, 14455405, 20237567, 23128648, 28910810, 40475134, 57821620, 80950268, 101187835, 115643240, 161900536, 202375670, 404751340, 809502680]

約数ペア:

[(1, 809502680), (2, 404751340), (4, 202375670), (5, 161900536), (7, 115643240), (8, 101187835), (10, 80950268), (14, 57821620), (20, 40475134), (28, 28910810), (35, 23128648), (40, 20237567), (56, 14455405), (70, 11564324), (140, 5782162), (280, 2891081)]