1720004

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:156

約数の個数: 48

約数和(自身を含む): 3687936

約数和(自身を除く): 1967932

約数列:

[1, 2, 4, 11, 13, 22, 26, 31, 44, 52, 62, 97, 124, 143, 194, 286, 341, 388, 403, 572, 682, 806, 1067, 1261, 1364, 1612, 2134, 2522, 3007, 4268, 4433, 5044, 6014, 8866, 12028, 13871, 17732, 27742, 33077, 39091, 55484, 66154, 78182, 132308, 156364, 430001, 860002, 1720004]

約数ペア:

[(1, 1720004), (2, 860002), (4, 430001), (11, 156364), (13, 132308), (22, 78182), (26, 66154), (31, 55484), (44, 39091), (52, 33077), (62, 27742), (97, 17732), (124, 13871), (143, 12028), (194, 8866), (286, 6014), (341, 5044), (388, 4433), (403, 4268), (572, 3007), (682, 2522), (806, 2134), (1067, 1612), (1261, 1364)]