209737220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{136193}}^1$

素因数の和:136220

約数の個数: 48

約数和(自身を含む): 549134208

約数和(自身を除く): 339396988

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 136193, 272386, 544772, 680965, 953351, 1361930, 1498123, 1906702, 2723860, 2996246, 3813404, 4766755, 5992492, 7490615, 9533510, 10486861, 14981230, 19067020, 20973722, 29962460, 41947444, 52434305, 104868610, 209737220]

約数ペア:

[(1, 209737220), (2, 104868610), (4, 52434305), (5, 41947444), (7, 29962460), (10, 20973722), (11, 19067020), (14, 14981230), (20, 10486861), (22, 9533510), (28, 7490615), (35, 5992492), (44, 4766755), (55, 3813404), (70, 2996246), (77, 2723860), (110, 1906702), (140, 1498123), (154, 1361930), (220, 953351), (308, 680965), (385, 544772), (770, 272386), (1540, 136193)]