208400075

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{33749}}^1$

素因数の和:33791

約数の個数: 24

約数和(自身を含む): 292950000

約数和(自身を除く): 84549925

約数列:

[1, 5, 13, 19, 25, 65, 95, 247, 325, 475, 1235, 6175, 33749, 168745, 438737, 641231, 843725, 2193685, 3206155, 8336003, 10968425, 16030775, 41680015, 208400075]

約数ペア:

[(1, 208400075), (5, 41680015), (13, 16030775), (19, 10968425), (25, 8336003), (65, 3206155), (95, 2193685), (247, 843725), (325, 641231), (475, 438737), (1235, 168745), (6175, 33749)]