1209702970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{243401}}^1$

素因数の和:243486

約数の個数: 32

約数和(自身を含む): 2523591936

約数和(自身を除く): 1313888966

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485, 4970, 243401, 486802, 1217005, 1703807, 2434010, 3407614, 8519035, 17038070, 17281471, 34562942, 86407355, 120970297, 172814710, 241940594, 604851485, 1209702970]

約数ペア:

[(1, 1209702970), (2, 604851485), (5, 241940594), (7, 172814710), (10, 120970297), (14, 86407355), (35, 34562942), (70, 17281471), (71, 17038070), (142, 8519035), (355, 3407614), (497, 2434010), (710, 1703807), (994, 1217005), (2485, 486802), (4970, 243401)]