313149020

素因数分解:

$2^2\times 5^1\times {\mathrm{2003}}^1\times {\mathrm{7817}}^1$

素因数の和:9829

約数の個数: 24

約数和(自身を含む): 658025424

約数和(自身を除く): 344876404

約数列:

[1, 2, 4, 5, 10, 20, 2003, 4006, 7817, 8012, 10015, 15634, 20030, 31268, 39085, 40060, 78170, 156340, 15657451, 31314902, 62629804, 78287255, 156574510, 313149020]

約数ペア:

[(1, 313149020), (2, 156574510), (4, 78287255), (5, 62629804), (10, 31314902), (20, 15657451), (2003, 156340), (4006, 78170), (7817, 40060), (8012, 39085), (10015, 31268), (15634, 20030)]