123220400

素因数分解:

$2^4\times 5^2\times {\mathrm{308051}}^1$

素因数の和:308069

約数の個数: 30

約数和(自身を含む): 296037972

約数和(自身を除く): 172817572

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 308051, 616102, 1232204, 1540255, 2464408, 3080510, 4928816, 6161020, 7701275, 12322040, 15402550, 24644080, 30805100, 61610200, 123220400]

約数ペア:

[(1, 123220400), (2, 61610200), (4, 30805100), (5, 24644080), (8, 15402550), (10, 12322040), (16, 7701275), (20, 6161020), (25, 4928816), (40, 3080510), (50, 2464408), (80, 1540255), (100, 1232204), (200, 616102), (400, 308051)]