320499848

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{8753}}^1$

素因数の和:8981

約数の個数: 32

約数和(自身を含む): 630288000

約数和(自身を除く): 309788152

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 199, 398, 796, 1592, 4577, 8753, 9154, 17506, 18308, 35012, 36616, 70024, 201319, 402638, 805276, 1610552, 1741847, 3483694, 6967388, 13934776, 40062481, 80124962, 160249924, 320499848]

約数ペア:

[(1, 320499848), (2, 160249924), (4, 80124962), (8, 40062481), (23, 13934776), (46, 6967388), (92, 3483694), (184, 1741847), (199, 1610552), (398, 805276), (796, 402638), (1592, 201319), (4577, 70024), (8753, 36616), (9154, 35012), (17506, 18308)]