619767620

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{244003}}^1$

素因数の和:244139

約数の個数: 24

約数和(自身を含む): 1311765504

約数和(自身を除く): 691997884

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 244003, 488006, 976012, 1220015, 2440030, 4880060, 30988381, 61976762, 123953524, 154941905, 309883810, 619767620]

約数ペア:

[(1, 619767620), (2, 309883810), (4, 154941905), (5, 123953524), (10, 61976762), (20, 30988381), (127, 4880060), (254, 2440030), (508, 1220015), (635, 976012), (1270, 488006), (2540, 244003)]