210864100

素因数分解:

$2^2\times 5^2\times {\mathrm{2108641}}^1$

素因数の和:2108655

約数の個数: 18

約数和(自身を含む): 457575314

約数和(自身を除く): 246711214

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 2108641, 4217282, 8434564, 10543205, 21086410, 42172820, 52716025, 105432050, 210864100]

約数ペア:

[(1, 210864100), (2, 105432050), (4, 52716025), (5, 42172820), (10, 21086410), (20, 10543205), (25, 8434564), (50, 4217282), (100, 2108641)]