211427480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{480517}}^1$

素因数の和:480539

約数の個数: 32

約数和(自身を含む): 518959440

約数和(自身を除く): 307531960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 480517, 961034, 1922068, 2402585, 3844136, 4805170, 5285687, 9610340, 10571374, 19220680, 21142748, 26428435, 42285496, 52856870, 105713740, 211427480]

約数ペア:

[(1, 211427480), (2, 105713740), (4, 52856870), (5, 42285496), (8, 26428435), (10, 21142748), (11, 19220680), (20, 10571374), (22, 9610340), (40, 5285687), (44, 4805170), (55, 3844136), (88, 2402585), (110, 1922068), (220, 961034), (440, 480517)]