172521520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113501}}^1$

素因数の和:113533

約数の個数: 40

約数和(自身を含む): 422227440

約数和(自身を除く): 249705920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 113501, 227002, 454004, 567505, 908008, 1135010, 1816016, 2156519, 2270020, 4313038, 4540040, 8626076, 9080080, 10782595, 17252152, 21565190, 34504304, 43130380, 86260760, 172521520]

約数ペア:

[(1, 172521520), (2, 86260760), (4, 43130380), (5, 34504304), (8, 21565190), (10, 17252152), (16, 10782595), (19, 9080080), (20, 8626076), (38, 4540040), (40, 4313038), (76, 2270020), (80, 2156519), (95, 1816016), (152, 1135010), (190, 908008), (304, 567505), (380, 454004), (760, 227002), (1520, 113501)]