208448880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{868537}}^1$

素因数の和:868553

約数の個数: 40

約数和(自身を含む): 646192272

約数和(自身を除く): 437743392

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 868537, 1737074, 2605611, 3474148, 4342685, 5211222, 6948296, 8685370, 10422444, 13028055, 13896592, 17370740, 20844888, 26056110, 34741480, 41689776, 52112220, 69482960, 104224440, 208448880]

約数ペア:

[(1, 208448880), (2, 104224440), (3, 69482960), (4, 52112220), (5, 41689776), (6, 34741480), (8, 26056110), (10, 20844888), (12, 17370740), (15, 13896592), (16, 13028055), (20, 10422444), (24, 8685370), (30, 6948296), (40, 5211222), (48, 4342685), (60, 3474148), (80, 2605611), (120, 1737074), (240, 868537)]