1900615025

素因数分解:

$5^2\times {\mathrm{89}}^1\times {\mathrm{421}}^1\times {\mathrm{2029}}^1$

素因数の和:2549

約数の個数: 24

約数和(自身を含む): 2390081400

約数和(自身を除く): 489466375

約数列:

[1, 5, 25, 89, 421, 445, 2029, 2105, 2225, 10145, 10525, 37469, 50725, 180581, 187345, 854209, 902905, 936725, 4271045, 4514525, 21355225, 76024601, 380123005, 1900615025]

約数ペア:

[(1, 1900615025), (5, 380123005), (25, 76024601), (89, 21355225), (421, 4514525), (445, 4271045), (2029, 936725), (2105, 902905), (2225, 854209), (10145, 187345), (10525, 180581), (37469, 50725)]