40680290

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{1361}}^1$

素因数の和:1443

約数の個数: 48

約数和(自身を含む): 86639544

約数和(自身を除く): 45959254

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 61, 70, 98, 122, 245, 305, 427, 490, 610, 854, 1361, 2135, 2722, 2989, 4270, 5978, 6805, 9527, 13610, 14945, 19054, 29890, 47635, 66689, 83021, 95270, 133378, 166042, 333445, 415105, 581147, 666890, 830210, 1162294, 2905735, 4068029, 5811470, 8136058, 20340145, 40680290]

約数ペア:

[(1, 40680290), (2, 20340145), (5, 8136058), (7, 5811470), (10, 4068029), (14, 2905735), (35, 1162294), (49, 830210), (61, 666890), (70, 581147), (98, 415105), (122, 333445), (245, 166042), (305, 133378), (427, 95270), (490, 83021), (610, 66689), (854, 47635), (1361, 29890), (2135, 19054), (2722, 14945), (2989, 13610), (4270, 9527), (5978, 6805)]