1729640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3931}}^1$

素因数の和:3953

約数の個数: 32

約数和(自身を含む): 4246560

約数和(自身を除く): 2516920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 3931, 7862, 15724, 19655, 31448, 39310, 43241, 78620, 86482, 157240, 172964, 216205, 345928, 432410, 864820, 1729640]

約数ペア:

[(1, 1729640), (2, 864820), (4, 432410), (5, 345928), (8, 216205), (10, 172964), (11, 157240), (20, 86482), (22, 78620), (40, 43241), (44, 39310), (55, 31448), (88, 19655), (110, 15724), (220, 7862), (440, 3931)]