209753400

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{349589}}^1$

素因数の和:349608

約数の個数: 48

約数和(自身を含む): 650237400

約数和(自身を除く): 440484000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 150, 200, 300, 600, 349589, 699178, 1048767, 1398356, 1747945, 2097534, 2796712, 3495890, 4195068, 5243835, 6991780, 8390136, 8739725, 10487670, 13983560, 17479450, 20975340, 26219175, 34958900, 41950680, 52438350, 69917800, 104876700, 209753400]

約数ペア:

[(1, 209753400), (2, 104876700), (3, 69917800), (4, 52438350), (5, 41950680), (6, 34958900), (8, 26219175), (10, 20975340), (12, 17479450), (15, 13983560), (20, 10487670), (24, 8739725), (25, 8390136), (30, 6991780), (40, 5243835), (50, 4195068), (60, 3495890), (75, 2796712), (100, 2097534), (120, 1747945), (150, 1398356), (200, 1048767), (300, 699178), (600, 349589)]