89386780

素因数分解:

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

素因数の和:683

約数の個数: 72

約数和(自身を含む): 219941568

約数和(自身を除く): 130554788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 197, 245, 394, 463, 490, 788, 926, 980, 985, 1379, 1852, 1970, 2315, 2758, 3241, 3940, 4630, 5516, 6482, 6895, 9260, 9653, 12964, 13790, 16205, 19306, 22687, 27580, 32410, 38612, 45374, 48265, 64820, 90748, 91211, 96530, 113435, 182422, 193060, 226870, 364844, 453740, 456055, 638477, 912110, 1276954, 1824220, 2553908, 3192385, 4469339, 6384770, 8938678, 12769540, 17877356, 22346695, 44693390, 89386780]

約数ペア:

[(1, 89386780), (2, 44693390), (4, 22346695), (5, 17877356), (7, 12769540), (10, 8938678), (14, 6384770), (20, 4469339), (28, 3192385), (35, 2553908), (49, 1824220), (70, 1276954), (98, 912110), (140, 638477), (196, 456055), (197, 453740), (245, 364844), (394, 226870), (463, 193060), (490, 182422), (788, 113435), (926, 96530), (980, 91211), (985, 90748), (1379, 64820), (1852, 48265), (1970, 45374), (2315, 38612), (2758, 32410), (3241, 27580), (3940, 22687), (4630, 19306), (5516, 16205), (6482, 13790), (6895, 12964), (9260, 9653)]