220348525

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{491}}^1\times {\mathrm{619}}^1$

素因数の和:1149

約数の個数: 24

約数和(自身を含む): 283687200

約数和(自身を除く): 63338675

約数列:

[1, 5, 25, 29, 145, 491, 619, 725, 2455, 3095, 12275, 14239, 15475, 17951, 71195, 89755, 303929, 355975, 448775, 1519645, 7598225, 8813941, 44069705, 220348525]

約数ペア:

[(1, 220348525), (5, 44069705), (25, 8813941), (29, 7598225), (145, 1519645), (491, 448775), (619, 355975), (725, 303929), (2455, 89755), (3095, 71195), (12275, 17951), (14239, 15475)]