1255928975

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{1307}}^1$

素因数の和:1377

約数の個数: 72

約数和(自身を含む): 1991717760

約数和(自身を除く): 735788785

約数列:

[1, 5, 7, 17, 19, 25, 35, 85, 95, 119, 133, 175, 289, 323, 425, 475, 595, 665, 1307, 1445, 1615, 2023, 2261, 2975, 3325, 5491, 6535, 7225, 8075, 9149, 10115, 11305, 22219, 24833, 27455, 32675, 38437, 45745, 50575, 56525, 111095, 124165, 137275, 155533, 173831, 192185, 228725, 377723, 422161, 555475, 620825, 777665, 869155, 960925, 1888615, 2110805, 2644061, 2955127, 3888325, 4345775, 7176737, 9443075, 10554025, 13220305, 14775635, 35883685, 50237159, 66101525, 73878175, 179418425, 251185795, 1255928975]

約数ペア:

[(1, 1255928975), (5, 251185795), (7, 179418425), (17, 73878175), (19, 66101525), (25, 50237159), (35, 35883685), (85, 14775635), (95, 13220305), (119, 10554025), (133, 9443075), (175, 7176737), (289, 4345775), (323, 3888325), (425, 2955127), (475, 2644061), (595, 2110805), (665, 1888615), (1307, 960925), (1445, 869155), (1615, 777665), (2023, 620825), (2261, 555475), (2975, 422161), (3325, 377723), (5491, 228725), (6535, 192185), (7225, 173831), (8075, 155533), (9149, 137275), (10115, 124165), (11305, 111095), (22219, 56525), (24833, 50575), (27455, 45745), (32675, 38437)]