168264760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{221401}}^1$

素因数の和:221431

約数の個数: 32

約数和(自身を含む): 398523600

約数和(自身を除く): 230258840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 221401, 442802, 885604, 1107005, 1771208, 2214010, 4206619, 4428020, 8413238, 8856040, 16826476, 21033095, 33652952, 42066190, 84132380, 168264760]

約数ペア:

[(1, 168264760), (2, 84132380), (4, 42066190), (5, 33652952), (8, 21033095), (10, 16826476), (19, 8856040), (20, 8413238), (38, 4428020), (40, 4206619), (76, 2214010), (95, 1771208), (152, 1107005), (190, 885604), (380, 442802), (760, 221401)]