199937620

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{434647}}^1$

素因数の和:434679

約数の個数: 24

約数和(自身を含む): 438125184

約数和(自身を除く): 238187564

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 434647, 869294, 1738588, 2173235, 4346470, 8692940, 9996881, 19993762, 39987524, 49984405, 99968810, 199937620]

約数ペア:

[(1, 199937620), (2, 99968810), (4, 49984405), (5, 39987524), (10, 19993762), (20, 9996881), (23, 8692940), (46, 4346470), (92, 2173235), (115, 1738588), (230, 869294), (460, 434647)]