78821260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{563009}}^1$

素因数の和:563025

約数の個数: 24

約数和(自身を含む): 189171360

約数和(自身を除く): 110350100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 563009, 1126018, 2252036, 2815045, 3941063, 5630090, 7882126, 11260180, 15764252, 19705315, 39410630, 78821260]

約数ペア:

[(1, 78821260), (2, 39410630), (4, 19705315), (5, 15764252), (7, 11260180), (10, 7882126), (14, 5630090), (20, 3941063), (28, 2815045), (35, 2252036), (70, 1126018), (140, 563009)]