389700925

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{8123}}^1$

素因数の和:8253

約数の個数: 24

約数和(自身を含む): 513761760

約数和(自身を除く): 124060835

約数列:

[1, 5, 19, 25, 95, 101, 475, 505, 1919, 2525, 8123, 9595, 40615, 47975, 154337, 203075, 771685, 820423, 3858425, 4102115, 15588037, 20510575, 77940185, 389700925]

約数ペア:

[(1, 389700925), (5, 77940185), (19, 20510575), (25, 15588037), (95, 4102115), (101, 3858425), (475, 820423), (505, 771685), (1919, 203075), (2525, 154337), (8123, 47975), (9595, 40615)]