30271880

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{3803}}^1$

素因数の和:4013

約数の個数: 32

約数和(自身を含む): 68472000

約数和(自身を除く): 38200120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3803, 3980, 7606, 7960, 15212, 19015, 30424, 38030, 76060, 152120, 756797, 1513594, 3027188, 3783985, 6054376, 7567970, 15135940, 30271880]

約数ペア:

[(1, 30271880), (2, 15135940), (4, 7567970), (5, 6054376), (8, 3783985), (10, 3027188), (20, 1513594), (40, 756797), (199, 152120), (398, 76060), (796, 38030), (995, 30424), (1592, 19015), (1990, 15212), (3803, 7960), (3980, 7606)]