171218120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{225287}}^1$

素因数の和:225317

約数の個数: 32

約数和(自身を含む): 405518400

約数和(自身を除く): 234300280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 225287, 450574, 901148, 1126435, 1802296, 2252870, 4280453, 4505740, 8560906, 9011480, 17121812, 21402265, 34243624, 42804530, 85609060, 171218120]

約数ペア:

[(1, 171218120), (2, 85609060), (4, 42804530), (5, 34243624), (8, 21402265), (10, 17121812), (19, 9011480), (20, 8560906), (38, 4505740), (40, 4280453), (76, 2252870), (95, 1802296), (152, 1126435), (190, 901148), (380, 450574), (760, 225287)]