788642220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{66721}}^1$

素因数の和:66930

約数の個数: 48

約数和(自身を含む): 2219440608

約数和(自身を除く): 1430798388

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 197, 394, 591, 788, 985, 1182, 1970, 2364, 2955, 3940, 5910, 11820, 66721, 133442, 200163, 266884, 333605, 400326, 667210, 800652, 1000815, 1334420, 2001630, 4003260, 13144037, 26288074, 39432111, 52576148, 65720185, 78864222, 131440370, 157728444, 197160555, 262880740, 394321110, 788642220]

約数ペア:

[(1, 788642220), (2, 394321110), (3, 262880740), (4, 197160555), (5, 157728444), (6, 131440370), (10, 78864222), (12, 65720185), (15, 52576148), (20, 39432111), (30, 26288074), (60, 13144037), (197, 4003260), (394, 2001630), (591, 1334420), (788, 1000815), (985, 800652), (1182, 667210), (1970, 400326), (2364, 333605), (2955, 266884), (3940, 200163), (5910, 133442), (11820, 66721)]