1685389640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{348221}}^1$

素因数の和:348254

約数の個数: 48

約数和(自身を含む): 4168217340

約数和(自身を除く): 2482827700

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 348221, 696442, 1392884, 1741105, 2785768, 3482210, 3830431, 6964420, 7660862, 13928840, 15321724, 19152155, 30643448, 38304310, 42134741, 76608620, 84269482, 153217240, 168538964, 210673705, 337077928, 421347410, 842694820, 1685389640]

約数ペア:

[(1, 1685389640), (2, 842694820), (4, 421347410), (5, 337077928), (8, 210673705), (10, 168538964), (11, 153217240), (20, 84269482), (22, 76608620), (40, 42134741), (44, 38304310), (55, 30643448), (88, 19152155), (110, 15321724), (121, 13928840), (220, 7660862), (242, 6964420), (440, 3830431), (484, 3482210), (605, 2785768), (968, 1741105), (1210, 1392884), (2420, 696442), (4840, 348221)]