321910360

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{1093}}^1$

素因数の和:1340

約数の個数: 64

約数和(自身を含む): 748296000

約数和(自身を除く): 426385640

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 199, 296, 370, 398, 740, 796, 995, 1093, 1480, 1592, 1990, 2186, 3980, 4372, 5465, 7363, 7960, 8744, 10930, 14726, 21860, 29452, 36815, 40441, 43720, 58904, 73630, 80882, 147260, 161764, 202205, 217507, 294520, 323528, 404410, 435014, 808820, 870028, 1087535, 1617640, 1740056, 2175070, 4350140, 8047759, 8700280, 16095518, 32191036, 40238795, 64382072, 80477590, 160955180, 321910360]

約数ペア:

[(1, 321910360), (2, 160955180), (4, 80477590), (5, 64382072), (8, 40238795), (10, 32191036), (20, 16095518), (37, 8700280), (40, 8047759), (74, 4350140), (148, 2175070), (185, 1740056), (199, 1617640), (296, 1087535), (370, 870028), (398, 808820), (740, 435014), (796, 404410), (995, 323528), (1093, 294520), (1480, 217507), (1592, 202205), (1990, 161764), (2186, 147260), (3980, 80882), (4372, 73630), (5465, 58904), (7363, 43720), (7960, 40441), (8744, 36815), (10930, 29452), (14726, 21860)]