209253590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{229949}}^1$

素因数の和:229976

約数の個数: 32

約数和(自身を含む): 463579200

約数和(自身を除く): 254325610

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 229949, 459898, 1149745, 1609643, 2299490, 2989337, 3219286, 5978674, 8048215, 14946685, 16096430, 20925359, 29893370, 41850718, 104626795, 209253590]

約数ペア:

[(1, 209253590), (2, 104626795), (5, 41850718), (7, 29893370), (10, 20925359), (13, 16096430), (14, 14946685), (26, 8048215), (35, 5978674), (65, 3219286), (70, 2989337), (91, 2299490), (130, 1609643), (182, 1149745), (455, 459898), (910, 229949)]