2103440030

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{257459}}^1$

素因数の和:257528

約数の個数: 32

約数和(自身を含む): 4078166400

約数和(自身を除く): 1974726370

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 190, 215, 430, 817, 1634, 4085, 8170, 257459, 514918, 1287295, 2574590, 4891721, 9783442, 11070737, 22141474, 24458605, 48917210, 55353685, 110707370, 210344003, 420688006, 1051720015, 2103440030]

約数ペア:

[(1, 2103440030), (2, 1051720015), (5, 420688006), (10, 210344003), (19, 110707370), (38, 55353685), (43, 48917210), (86, 24458605), (95, 22141474), (190, 11070737), (215, 9783442), (430, 4891721), (817, 2574590), (1634, 1287295), (4085, 514918), (8170, 257459)]