27331780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{991}}^1$

素因数の和:1204

約数の個数: 48

約数和(自身を含む): 65995776

約数和(自身を除く): 38663996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 394, 788, 985, 991, 1379, 1970, 1982, 2758, 3940, 3964, 4955, 5516, 6895, 6937, 9910, 13790, 13874, 19820, 27580, 27748, 34685, 69370, 138740, 195227, 390454, 780908, 976135, 1366589, 1952270, 2733178, 3904540, 5466356, 6832945, 13665890, 27331780]

約数ペア:

[(1, 27331780), (2, 13665890), (4, 6832945), (5, 5466356), (7, 3904540), (10, 2733178), (14, 1952270), (20, 1366589), (28, 976135), (35, 780908), (70, 390454), (140, 195227), (197, 138740), (394, 69370), (788, 34685), (985, 27748), (991, 27580), (1379, 19820), (1970, 13874), (1982, 13790), (2758, 9910), (3940, 6937), (3964, 6895), (4955, 5516)]