813146540

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{373003}}^1$

素因数の和:373121

約数の個数: 24

約数和(自身を含む): 1723278480

約数和(自身を除く): 910131940

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 373003, 746006, 1492012, 1865015, 3730030, 7460060, 40657327, 81314654, 162629308, 203286635, 406573270, 813146540]

約数ペア:

[(1, 813146540), (2, 406573270), (4, 203286635), (5, 162629308), (10, 81314654), (20, 40657327), (109, 7460060), (218, 3730030), (436, 1865015), (545, 1492012), (1090, 746006), (2180, 373003)]