577899080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{661}}^1\times {\mathrm{1987}}^1$

素因数の和:2670

約数の個数: 64

約数和(自身を含む): 1421340480

約数和(自身を除く): 843441400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 661, 1322, 1987, 2644, 3305, 3974, 5288, 6610, 7271, 7948, 9935, 13220, 14542, 15896, 19870, 21857, 26440, 29084, 36355, 39740, 43714, 58168, 72710, 79480, 87428, 109285, 145420, 174856, 218570, 290840, 437140, 874280, 1313407, 2626814, 5253628, 6567035, 10507256, 13134070, 14447477, 26268140, 28894954, 52536280, 57789908, 72237385, 115579816, 144474770, 288949540, 577899080]

約数ペア:

[(1, 577899080), (2, 288949540), (4, 144474770), (5, 115579816), (8, 72237385), (10, 57789908), (11, 52536280), (20, 28894954), (22, 26268140), (40, 14447477), (44, 13134070), (55, 10507256), (88, 6567035), (110, 5253628), (220, 2626814), (440, 1313407), (661, 874280), (1322, 437140), (1987, 290840), (2644, 218570), (3305, 174856), (3974, 145420), (5288, 109285), (6610, 87428), (7271, 79480), (7948, 72710), (9935, 58168), (13220, 43714), (14542, 39740), (15896, 36355), (19870, 29084), (21857, 26440)]