211301750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{76837}}^1$

素因数の和:76865

約数の個数: 32

約数和(自身を含む): 431522208

約数和(自身を除く): 220220458

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 275, 550, 1375, 2750, 76837, 153674, 384185, 768370, 845207, 1690414, 1920925, 3841850, 4226035, 8452070, 9604625, 19209250, 21130175, 42260350, 105650875, 211301750]

約数ペア:

[(1, 211301750), (2, 105650875), (5, 42260350), (10, 21130175), (11, 19209250), (22, 9604625), (25, 8452070), (50, 4226035), (55, 3841850), (110, 1920925), (125, 1690414), (250, 845207), (275, 768370), (550, 384185), (1375, 153674), (2750, 76837)]