204814885

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{359}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 289578240

約数和(自身を除く): 84763355

約数列:

[1, 5, 11, 23, 41, 55, 115, 121, 205, 253, 359, 451, 605, 943, 1265, 1795, 2255, 2783, 3949, 4715, 4961, 8257, 10373, 13915, 14719, 19745, 24805, 41285, 43439, 51865, 73595, 90827, 114103, 161909, 217195, 338537, 454135, 570515, 809545, 999097, 1692685, 1780999, 3723907, 4995485, 8904995, 18619535, 40962977, 204814885]

約数ペア:

[(1, 204814885), (5, 40962977), (11, 18619535), (23, 8904995), (41, 4995485), (55, 3723907), (115, 1780999), (121, 1692685), (205, 999097), (253, 809545), (359, 570515), (451, 454135), (605, 338537), (943, 217195), (1265, 161909), (1795, 114103), (2255, 90827), (2783, 73595), (3949, 51865), (4715, 43439), (4961, 41285), (8257, 24805), (10373, 19745), (13915, 14719)]