626123860

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1\times {\mathrm{2341}}^1$

素因数の和:2704

約数の個数: 48

約数和(自身を含む): 1350340992

約数和(自身を除く): 724217132

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 311, 430, 622, 860, 1244, 1555, 2341, 3110, 4682, 6220, 9364, 11705, 13373, 23410, 26746, 46820, 53492, 66865, 100663, 133730, 201326, 267460, 402652, 503315, 728051, 1006630, 1456102, 2013260, 2912204, 3640255, 7280510, 14561020, 31306193, 62612386, 125224772, 156530965, 313061930, 626123860]

約数ペア:

[(1, 626123860), (2, 313061930), (4, 156530965), (5, 125224772), (10, 62612386), (20, 31306193), (43, 14561020), (86, 7280510), (172, 3640255), (215, 2912204), (311, 2013260), (430, 1456102), (622, 1006630), (860, 728051), (1244, 503315), (1555, 402652), (2341, 267460), (3110, 201326), (4682, 133730), (6220, 100663), (9364, 66865), (11705, 53492), (13373, 46820), (23410, 26746)]