218884025

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{9739}}^1$

素因数の和:9809

約数の個数: 24

約数和(自身を含む): 289862400

約数和(自身を除く): 70978375

約数列:

[1, 5, 25, 29, 31, 145, 155, 725, 775, 899, 4495, 9739, 22475, 48695, 243475, 282431, 301909, 1412155, 1509545, 7060775, 7547725, 8755361, 43776805, 218884025]

約数ペア:

[(1, 218884025), (5, 43776805), (25, 8755361), (29, 7547725), (31, 7060775), (145, 1509545), (155, 1412155), (725, 301909), (775, 282431), (899, 243475), (4495, 48695), (9739, 22475)]