212740900

素因数分解:

$2^2\times 5^2\times {\mathrm{2127409}}^1$

素因数の和:2127423

約数の個数: 18

約数和(自身を含む): 461647970

約数和(自身を除く): 248907070

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 2127409, 4254818, 8509636, 10637045, 21274090, 42548180, 53185225, 106370450, 212740900]

約数ペア:

[(1, 212740900), (2, 106370450), (4, 53185225), (5, 42548180), (10, 21274090), (20, 10637045), (25, 8509636), (50, 4254818), (100, 2127409)]