206540840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{469411}}^1$

素因数の和:469433

約数の個数: 32

約数和(自身を含む): 506964960

約数和(自身を除く): 300424120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 469411, 938822, 1877644, 2347055, 3755288, 4694110, 5163521, 9388220, 10327042, 18776440, 20654084, 25817605, 41308168, 51635210, 103270420, 206540840]

約数ペア:

[(1, 206540840), (2, 103270420), (4, 51635210), (5, 41308168), (8, 25817605), (10, 20654084), (11, 18776440), (20, 10327042), (22, 9388220), (40, 5163521), (44, 4694110), (55, 3755288), (88, 2347055), (110, 1877644), (220, 938822), (440, 469411)]