42754780

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{30109}}^1$

素因数の和:30189

約数の個数: 24

約数和(自身を含む): 91052640

約数和(自身を除く): 48297860

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 30109, 60218, 120436, 150545, 301090, 602180, 2137739, 4275478, 8550956, 10688695, 21377390, 42754780]

約数ペア:

[(1, 42754780), (2, 21377390), (4, 10688695), (5, 8550956), (10, 4275478), (20, 2137739), (71, 602180), (142, 301090), (284, 150545), (355, 120436), (710, 60218), (1420, 30109)]