324238660

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{1987}}^1$

素因数の和:2236

約数の個数: 48

約数和(自身を含む): 701366400

約数和(自身を除く): 377127740

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 199, 205, 398, 410, 796, 820, 995, 1987, 1990, 3974, 3980, 7948, 8159, 9935, 16318, 19870, 32636, 39740, 40795, 81467, 81590, 162934, 163180, 325868, 395413, 407335, 790826, 814670, 1581652, 1629340, 1977065, 3954130, 7908260, 16211933, 32423866, 64847732, 81059665, 162119330, 324238660]

約数ペア:

[(1, 324238660), (2, 162119330), (4, 81059665), (5, 64847732), (10, 32423866), (20, 16211933), (41, 7908260), (82, 3954130), (164, 1977065), (199, 1629340), (205, 1581652), (398, 814670), (410, 790826), (796, 407335), (820, 395413), (995, 325868), (1987, 163180), (1990, 162934), (3974, 81590), (3980, 81467), (7948, 40795), (8159, 39740), (9935, 32636), (16318, 19870)]