168890975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 237841920

約数和(自身を除く): 68950945

約数列:

[1, 5, 11, 25, 47, 55, 73, 179, 235, 275, 365, 517, 803, 895, 1175, 1825, 1969, 2585, 3431, 4015, 4475, 8413, 9845, 12925, 13067, 17155, 20075, 37741, 42065, 49225, 65335, 85775, 92543, 143737, 188705, 210325, 326675, 462715, 614149, 718685, 943525, 2313575, 3070745, 3593425, 6755639, 15353725, 33778195, 168890975]

約数ペア:

[(1, 168890975), (5, 33778195), (11, 15353725), (25, 6755639), (47, 3593425), (55, 3070745), (73, 2313575), (179, 943525), (235, 718685), (275, 614149), (365, 462715), (517, 326675), (803, 210325), (895, 188705), (1175, 143737), (1825, 92543), (1969, 85775), (2585, 65335), (3431, 49225), (4015, 42065), (4475, 37741), (8413, 20075), (9845, 17155), (12925, 13067)]