1215709990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{21377}}^1$

素因数の和:21453

約数の個数: 48

約数和(自身を含む): 2456588736

約数和(自身を除く): 1240878746

約数列:

[1, 2, 5, 10, 11, 22, 47, 55, 94, 110, 121, 235, 242, 470, 517, 605, 1034, 1210, 2585, 5170, 5687, 11374, 21377, 28435, 42754, 56870, 106885, 213770, 235147, 470294, 1004719, 1175735, 2009438, 2351470, 2586617, 5023595, 5173234, 10047190, 11051909, 12933085, 22103818, 25866170, 55259545, 110519090, 121570999, 243141998, 607854995, 1215709990]

約数ペア:

[(1, 1215709990), (2, 607854995), (5, 243141998), (10, 121570999), (11, 110519090), (22, 55259545), (47, 25866170), (55, 22103818), (94, 12933085), (110, 11051909), (121, 10047190), (235, 5173234), (242, 5023595), (470, 2586617), (517, 2351470), (605, 2009438), (1034, 1175735), (1210, 1004719), (2585, 470294), (5170, 235147), (5687, 213770), (11374, 106885), (21377, 56870), (28435, 42754)]