208963480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{474917}}^1$

素因数の和:474939

約数の個数: 32

約数和(自身を含む): 512911440

約数和(自身を除く): 303947960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 474917, 949834, 1899668, 2374585, 3799336, 4749170, 5224087, 9498340, 10448174, 18996680, 20896348, 26120435, 41792696, 52240870, 104481740, 208963480]

約数ペア:

[(1, 208963480), (2, 104481740), (4, 52240870), (5, 41792696), (8, 26120435), (10, 20896348), (11, 18996680), (20, 10448174), (22, 9498340), (40, 5224087), (44, 4749170), (55, 3799336), (88, 2374585), (110, 1899668), (220, 949834), (440, 474917)]