220171180

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{11131}}^1$

素因数の和:11206

約数の個数: 48

約数和(自身を含む): 493726464

約数和(自身を除く): 273555284

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 430, 460, 860, 989, 1978, 3956, 4945, 9890, 11131, 19780, 22262, 44524, 55655, 111310, 222620, 256013, 478633, 512026, 957266, 1024052, 1280065, 1914532, 2393165, 2560130, 4786330, 5120260, 9572660, 11008559, 22017118, 44034236, 55042795, 110085590, 220171180]

約数ペア:

[(1, 220171180), (2, 110085590), (4, 55042795), (5, 44034236), (10, 22017118), (20, 11008559), (23, 9572660), (43, 5120260), (46, 4786330), (86, 2560130), (92, 2393165), (115, 1914532), (172, 1280065), (215, 1024052), (230, 957266), (430, 512026), (460, 478633), (860, 256013), (989, 222620), (1978, 111310), (3956, 55655), (4945, 44524), (9890, 22262), (11131, 19780)]