121660280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{434501}}^1$

素因数の和:434519

約数の個数: 32

約数和(自身を含む): 312841440

約数和(自身を除く): 191181160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 434501, 869002, 1738004, 2172505, 3041507, 3476008, 4345010, 6083014, 8690020, 12166028, 15207535, 17380040, 24332056, 30415070, 60830140, 121660280]

約数ペア:

[(1, 121660280), (2, 60830140), (4, 30415070), (5, 24332056), (7, 17380040), (8, 15207535), (10, 12166028), (14, 8690020), (20, 6083014), (28, 4345010), (35, 3476008), (40, 3041507), (56, 2172505), (70, 1738004), (140, 869002), (280, 434501)]