218930900

素因数分解:

$2^2\times 5^2\times {\mathrm{2189309}}^1$

素因数の和:2189323

約数の個数: 18

約数和(自身を含む): 475080270

約数和(自身を除く): 256149370

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 2189309, 4378618, 8757236, 10946545, 21893090, 43786180, 54732725, 109465450, 218930900]

約数ペア:

[(1, 218930900), (2, 109465450), (4, 54732725), (5, 43786180), (10, 21893090), (20, 10946545), (25, 8757236), (50, 4378618), (100, 2189309)]