8553020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{307}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 20697600

約数和(自身を除く): 12144580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 199, 307, 398, 614, 796, 995, 1228, 1393, 1535, 1990, 2149, 2786, 3070, 3980, 4298, 5572, 6140, 6965, 8596, 10745, 13930, 21490, 27860, 42980, 61093, 122186, 244372, 305465, 427651, 610930, 855302, 1221860, 1710604, 2138255, 4276510, 8553020]

約数ペア:

[(1, 8553020), (2, 4276510), (4, 2138255), (5, 1710604), (7, 1221860), (10, 855302), (14, 610930), (20, 427651), (28, 305465), (35, 244372), (70, 122186), (140, 61093), (199, 42980), (307, 27860), (398, 21490), (614, 13930), (796, 10745), (995, 8596), (1228, 6965), (1393, 6140), (1535, 5572), (1990, 4298), (2149, 3980), (2786, 3070)]