187440740

素因数分解:

$2^2\times 5^1\times {\mathrm{2003}}^1\times {\mathrm{4679}}^1$

素因数の和:6691

約数の個数: 24

約数和(自身を含む): 393906240

約数和(自身を除く): 206465500

約数列:

[1, 2, 4, 5, 10, 20, 2003, 4006, 4679, 8012, 9358, 10015, 18716, 20030, 23395, 40060, 46790, 93580, 9372037, 18744074, 37488148, 46860185, 93720370, 187440740]

約数ペア:

[(1, 187440740), (2, 93720370), (4, 46860185), (5, 37488148), (10, 18744074), (20, 9372037), (2003, 93580), (4006, 46790), (4679, 40060), (8012, 23395), (9358, 20030), (10015, 18716)]