208984900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{90863}}^1$

素因数の和:90900

約数の個数: 36

約数和(自身を含む): 473219712

約数和(自身を除く): 264234812

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 230, 460, 575, 1150, 2300, 90863, 181726, 363452, 454315, 908630, 1817260, 2089849, 2271575, 4179698, 4543150, 8359396, 9086300, 10449245, 20898490, 41796980, 52246225, 104492450, 208984900]

約数ペア:

[(1, 208984900), (2, 104492450), (4, 52246225), (5, 41796980), (10, 20898490), (20, 10449245), (23, 9086300), (25, 8359396), (46, 4543150), (50, 4179698), (92, 2271575), (100, 2089849), (115, 1817260), (230, 908630), (460, 454315), (575, 363452), (1150, 181726), (2300, 90863)]