209125900

素因数分解:

$2^2\times 5^2\times {\mathrm{191}}^1\times {\mathrm{10949}}^1$

素因数の和:11154

約数の個数: 36

約数和(自身を含む): 456220800

約数和(自身を除く): 247094900

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 191, 382, 764, 955, 1910, 3820, 4775, 9550, 10949, 19100, 21898, 43796, 54745, 109490, 218980, 273725, 547450, 1094900, 2091259, 4182518, 8365036, 10456295, 20912590, 41825180, 52281475, 104562950, 209125900]

約数ペア:

[(1, 209125900), (2, 104562950), (4, 52281475), (5, 41825180), (10, 20912590), (20, 10456295), (25, 8365036), (50, 4182518), (100, 2091259), (191, 1094900), (382, 547450), (764, 273725), (955, 218980), (1910, 109490), (3820, 54745), (4775, 43796), (9550, 21898), (10949, 19100)]