243320560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{434501}}^1$

素因数の和:434521

約数の個数: 40

約数和(自身を含む): 646538976

約数和(自身を除く): 403218416

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 434501, 869002, 1738004, 2172505, 3041507, 3476008, 4345010, 6083014, 6952016, 8690020, 12166028, 15207535, 17380040, 24332056, 30415070, 34760080, 48664112, 60830140, 121660280, 243320560]

約数ペア:

[(1, 243320560), (2, 121660280), (4, 60830140), (5, 48664112), (7, 34760080), (8, 30415070), (10, 24332056), (14, 17380040), (16, 15207535), (20, 12166028), (28, 8690020), (35, 6952016), (40, 6083014), (56, 4345010), (70, 3476008), (80, 3041507), (112, 2172505), (140, 1738004), (280, 869002), (560, 434501)]