28516700

素因数分解:

$2^2\times 5^2\times {\mathrm{199}}^1\times {\mathrm{1433}}^1$

素因数の和:1646

約数の個数: 36

約数和(自身を含む): 62235600

約数和(自身を除く): 33718900

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 199, 398, 796, 995, 1433, 1990, 2866, 3980, 4975, 5732, 7165, 9950, 14330, 19900, 28660, 35825, 71650, 143300, 285167, 570334, 1140668, 1425835, 2851670, 5703340, 7129175, 14258350, 28516700]

約数ペア:

[(1, 28516700), (2, 14258350), (4, 7129175), (5, 5703340), (10, 2851670), (20, 1425835), (25, 1140668), (50, 570334), (100, 285167), (199, 143300), (398, 71650), (796, 35825), (995, 28660), (1433, 19900), (1990, 14330), (2866, 9950), (3980, 7165), (4975, 5732)]