217996900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{198179}}^1$

素因数の和:198204

約数の個数: 36

約数和(自身を含む): 516060720

約数和(自身を除く): 298063820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 198179, 396358, 792716, 990895, 1981790, 2179969, 3963580, 4359938, 4954475, 8719876, 9908950, 10899845, 19817900, 21799690, 43599380, 54499225, 108998450, 217996900]

約数ペア:

[(1, 217996900), (2, 108998450), (4, 54499225), (5, 43599380), (10, 21799690), (11, 19817900), (20, 10899845), (22, 9908950), (25, 8719876), (44, 4954475), (50, 4359938), (55, 3963580), (100, 2179969), (110, 1981790), (220, 990895), (275, 792716), (550, 396358), (1100, 198179)]