205943375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{7883}}^1$

素因数の和:7928

約数の個数: 32

約数和(自身を含む): 295176960

約数和(自身を除く): 89233585

約数列:

[1, 5, 11, 19, 25, 55, 95, 125, 209, 275, 475, 1045, 1375, 2375, 5225, 7883, 26125, 39415, 86713, 149777, 197075, 433565, 748885, 985375, 1647547, 2167825, 3744425, 8237735, 10839125, 18722125, 41188675, 205943375]

約数ペア:

[(1, 205943375), (5, 41188675), (11, 18722125), (19, 10839125), (25, 8237735), (55, 3744425), (95, 2167825), (125, 1647547), (209, 985375), (275, 748885), (475, 433565), (1045, 197075), (1375, 149777), (2375, 86713), (5225, 39415), (7883, 26125)]