213460280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{485137}}^1$

素因数の和:485159

約数の個数: 32

約数和(自身を含む): 523949040

約数和(自身を除く): 310488760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 485137, 970274, 1940548, 2425685, 3881096, 4851370, 5336507, 9702740, 10673014, 19405480, 21346028, 26682535, 42692056, 53365070, 106730140, 213460280]

約数ペア:

[(1, 213460280), (2, 106730140), (4, 53365070), (5, 42692056), (8, 26682535), (10, 21346028), (11, 19405480), (20, 10673014), (22, 9702740), (40, 5336507), (44, 4851370), (55, 3881096), (88, 2425685), (110, 1940548), (220, 970274), (440, 485137)]