22078870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:357

約数の個数: 48

約数和(自身を含む): 44470944

約数和(自身を除く): 22392074

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 121, 142, 242, 257, 355, 514, 605, 710, 781, 1210, 1285, 1562, 2570, 2827, 3905, 5654, 7810, 8591, 14135, 17182, 18247, 28270, 31097, 36494, 42955, 62194, 85910, 91235, 155485, 182470, 200717, 310970, 401434, 1003585, 2007170, 2207887, 4415774, 11039435, 22078870]

約数ペア:

[(1, 22078870), (2, 11039435), (5, 4415774), (10, 2207887), (11, 2007170), (22, 1003585), (55, 401434), (71, 310970), (110, 200717), (121, 182470), (142, 155485), (242, 91235), (257, 85910), (355, 62194), (514, 42955), (605, 36494), (710, 31097), (781, 28270), (1210, 18247), (1285, 17182), (1562, 14135), (2570, 8591), (2827, 7810), (3905, 5654)]