2018520680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{23053}}^1$

素因数の和:23274

約数の個数: 64

約数和(自身を含む): 4979664000

約数和(自身を除く): 2961143320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 199, 220, 398, 440, 796, 995, 1592, 1990, 2189, 3980, 4378, 7960, 8756, 10945, 17512, 21890, 23053, 43780, 46106, 87560, 92212, 115265, 184424, 230530, 253583, 461060, 507166, 922120, 1014332, 1267915, 2028664, 2535830, 4587547, 5071660, 9175094, 10143320, 18350188, 22937735, 36700376, 45875470, 50463017, 91750940, 100926034, 183501880, 201852068, 252315085, 403704136, 504630170, 1009260340, 2018520680]

約数ペア:

[(1, 2018520680), (2, 1009260340), (4, 504630170), (5, 403704136), (8, 252315085), (10, 201852068), (11, 183501880), (20, 100926034), (22, 91750940), (40, 50463017), (44, 45875470), (55, 36700376), (88, 22937735), (110, 18350188), (199, 10143320), (220, 9175094), (398, 5071660), (440, 4587547), (796, 2535830), (995, 2028664), (1592, 1267915), (1990, 1014332), (2189, 922120), (3980, 507166), (4378, 461060), (7960, 253583), (8756, 230530), (10945, 184424), (17512, 115265), (21890, 92212), (23053, 87560), (43780, 46106)]