12769540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{463}}^1$

素因数の和:676

約数の個数: 48

約数和(自身を含む): 30868992

約数和(自身を除く): 18099452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 394, 463, 788, 926, 985, 1379, 1852, 1970, 2315, 2758, 3241, 3940, 4630, 5516, 6482, 6895, 9260, 12964, 13790, 16205, 27580, 32410, 64820, 91211, 182422, 364844, 456055, 638477, 912110, 1276954, 1824220, 2553908, 3192385, 6384770, 12769540]

約数ペア:

[(1, 12769540), (2, 6384770), (4, 3192385), (5, 2553908), (7, 1824220), (10, 1276954), (14, 912110), (20, 638477), (28, 456055), (35, 364844), (70, 182422), (140, 91211), (197, 64820), (394, 32410), (463, 27580), (788, 16205), (926, 13790), (985, 12964), (1379, 9260), (1852, 6895), (1970, 6482), (2315, 5516), (2758, 4630), (3241, 3940)]