188564980

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{277}}^1\times {\mathrm{337}}^1$

素因数の和:724

約数の個数: 48

約数和(自身を含む): 402541776

約数和(自身を除く): 213976796

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 277, 337, 404, 505, 554, 674, 1010, 1108, 1348, 1385, 1685, 2020, 2770, 3370, 5540, 6740, 27977, 34037, 55954, 68074, 93349, 111908, 136148, 139885, 170185, 186698, 279770, 340370, 373396, 466745, 559540, 680740, 933490, 1866980, 9428249, 18856498, 37712996, 47141245, 94282490, 188564980]

約数ペア:

[(1, 188564980), (2, 94282490), (4, 47141245), (5, 37712996), (10, 18856498), (20, 9428249), (101, 1866980), (202, 933490), (277, 680740), (337, 559540), (404, 466745), (505, 373396), (554, 340370), (674, 279770), (1010, 186698), (1108, 170185), (1348, 139885), (1385, 136148), (1685, 111908), (2020, 93349), (2770, 68074), (3370, 55954), (5540, 34037), (6740, 27977)]