28805340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2437}}^1$

素因数の和:2646

約数の個数: 48

約数和(自身を含む): 81097632

約数和(自身を除く): 52292292

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 197, 394, 591, 788, 985, 1182, 1970, 2364, 2437, 2955, 3940, 4874, 5910, 7311, 9748, 11820, 12185, 14622, 24370, 29244, 36555, 48740, 73110, 146220, 480089, 960178, 1440267, 1920356, 2400445, 2880534, 4800890, 5761068, 7201335, 9601780, 14402670, 28805340]

約数ペア:

[(1, 28805340), (2, 14402670), (3, 9601780), (4, 7201335), (5, 5761068), (6, 4800890), (10, 2880534), (12, 2400445), (15, 1920356), (20, 1440267), (30, 960178), (60, 480089), (197, 146220), (394, 73110), (591, 48740), (788, 36555), (985, 29244), (1182, 24370), (1970, 14622), (2364, 12185), (2437, 11820), (2955, 9748), (3940, 7311), (4874, 5910)]