209401375

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{88169}}^1$

素因数の和:88203

約数の個数: 16

約数和(自身を含む): 275090400

約数和(自身を除く): 65689025

約数列:

[1, 5, 19, 25, 95, 125, 475, 2375, 88169, 440845, 1675211, 2204225, 8376055, 11021125, 41880275, 209401375]

約数ペア:

[(1, 209401375), (5, 41880275), (19, 11021125), (25, 8376055), (95, 2204225), (125, 1675211), (475, 440845), (2375, 88169)]