30640030

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1\times {\mathrm{199}}^1$

素因数の和:468

約数の個数: 32

約数和(自身を含む): 56376000

約数和(自身を除く): 25735970

約数列:

[1, 2, 5, 10, 89, 173, 178, 199, 346, 398, 445, 865, 890, 995, 1730, 1990, 15397, 17711, 30794, 34427, 35422, 68854, 76985, 88555, 153970, 172135, 177110, 344270, 3064003, 6128006, 15320015, 30640030]

約数ペア:

[(1, 30640030), (2, 15320015), (5, 6128006), (10, 3064003), (89, 344270), (173, 177110), (178, 172135), (199, 153970), (346, 88555), (398, 76985), (445, 68854), (865, 35422), (890, 34427), (995, 30794), (1730, 17711), (1990, 15397)]