209314025

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{2803}}^1$

素因数の和:2945

約数の個数: 24

約数和(自身を含む): 271202880

約数和(自身を除く): 61888855

約数列:

[1, 5, 25, 29, 103, 145, 515, 725, 2575, 2803, 2987, 14015, 14935, 70075, 74675, 81287, 288709, 406435, 1443545, 2032175, 7217725, 8372561, 41862805, 209314025]

約数ペア:

[(1, 209314025), (5, 41862805), (25, 8372561), (29, 7217725), (103, 2032175), (145, 1443545), (515, 406435), (725, 288709), (2575, 81287), (2803, 74675), (2987, 70075), (14015, 14935)]