168220900

素因数分解:

$2^2\times 5^2\times {\mathrm{1297}}^2$

素因数の和:2608

約数の個数: 27

約数和(自身を含む): 365321019

約数和(自身を除く): 197100119

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 1297, 2594, 5188, 6485, 12970, 25940, 32425, 64850, 129700, 1682209, 3364418, 6728836, 8411045, 16822090, 33644180, 42055225, 84110450, 168220900]

約数ペア:

[(1, 168220900), (2, 84110450), (4, 42055225), (5, 33644180), (10, 16822090), (20, 8411045), (25, 6728836), (50, 3364418), (100, 1682209), (1297, 129700), (2594, 64850), (5188, 32425), (6485, 25940)]