2188100

素因数分解:

$2^2\times 5^2\times {\mathrm{21881}}^1$

素因数の和:21895

約数の個数: 18

約数和(自身を含む): 4748394

約数和(自身を除く): 2560294

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 21881, 43762, 87524, 109405, 218810, 437620, 547025, 1094050, 2188100]

約数ペア:

[(1, 2188100), (2, 1094050), (4, 547025), (5, 437620), (10, 218810), (20, 109405), (25, 87524), (50, 43762), (100, 21881)]