205679990

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^2\times {\mathrm{9311}}^1$

素因数の和:9412

約数の個数: 24

約数和(自身を含む): 378309312

約数和(自身を除く): 172629322

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 2209, 4418, 9311, 11045, 18622, 22090, 46555, 93110, 437617, 875234, 2188085, 4376170, 20567999, 41135998, 102839995, 205679990]

約数ペア:

[(1, 205679990), (2, 102839995), (5, 41135998), (10, 20567999), (47, 4376170), (94, 2188085), (235, 875234), (470, 437617), (2209, 93110), (4418, 46555), (9311, 22090), (11045, 18622)]