78160775

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2137}}^1$

素因数の和:2184

約数の個数: 48

約数和(自身を含む): 127253760

約数和(自身を除く): 49092985

約数列:

[1, 5, 7, 11, 19, 25, 35, 55, 77, 95, 133, 175, 209, 275, 385, 475, 665, 1045, 1463, 1925, 2137, 3325, 5225, 7315, 10685, 14959, 23507, 36575, 40603, 53425, 74795, 117535, 164549, 203015, 284221, 373975, 446633, 587675, 822745, 1015075, 1421105, 2233165, 3126431, 4113725, 7105525, 11165825, 15632155, 78160775]

約数ペア:

[(1, 78160775), (5, 15632155), (7, 11165825), (11, 7105525), (19, 4113725), (25, 3126431), (35, 2233165), (55, 1421105), (77, 1015075), (95, 822745), (133, 587675), (175, 446633), (209, 373975), (275, 284221), (385, 203015), (475, 164549), (665, 117535), (1045, 74795), (1463, 53425), (1925, 40603), (2137, 36575), (3325, 23507), (5225, 14959), (7315, 10685)]