208840225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 292017024

約数和(自身を除く): 83176799

約数列:

[1, 5, 11, 25, 55, 73, 101, 103, 275, 365, 505, 515, 803, 1111, 1133, 1825, 2525, 2575, 4015, 5555, 5665, 7373, 7519, 10403, 20075, 27775, 28325, 36865, 37595, 52015, 81103, 82709, 114433, 184325, 187975, 260075, 405515, 413545, 572165, 759419, 2027575, 2067725, 2860825, 3797095, 8353609, 18985475, 41768045, 208840225]

約数ペア:

[(1, 208840225), (5, 41768045), (11, 18985475), (25, 8353609), (55, 3797095), (73, 2860825), (101, 2067725), (103, 2027575), (275, 759419), (365, 572165), (505, 413545), (515, 405515), (803, 260075), (1111, 187975), (1133, 184325), (1825, 114433), (2525, 82709), (2575, 81103), (4015, 52015), (5555, 37595), (5665, 36865), (7373, 28325), (7519, 27775), (10403, 20075)]