210681025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{9437}}^1$

素因数の和:9513

約数の個数: 24

約数和(自身を含む): 280874880

約数和(自身を除く): 70193855

約数列:

[1, 5, 19, 25, 47, 95, 235, 475, 893, 1175, 4465, 9437, 22325, 47185, 179303, 235925, 443539, 896515, 2217695, 4482575, 8427241, 11088475, 42136205, 210681025]

約数ペア:

[(1, 210681025), (5, 42136205), (19, 11088475), (25, 8427241), (47, 4482575), (95, 2217695), (235, 896515), (475, 443539), (893, 235925), (1175, 179303), (4465, 47185), (9437, 22325)]