199435940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{3793}}^1$

素因数の和:4052

約数の個数: 48

約数和(自身を含む): 458922240

約数和(自身を除く): 259486300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 239, 478, 956, 1195, 2390, 2629, 3793, 4780, 5258, 7586, 10516, 13145, 15172, 18965, 26290, 37930, 41723, 52580, 75860, 83446, 166892, 208615, 417230, 834460, 906527, 1813054, 3626108, 4532635, 9065270, 9971797, 18130540, 19943594, 39887188, 49858985, 99717970, 199435940]

約数ペア:

[(1, 199435940), (2, 99717970), (4, 49858985), (5, 39887188), (10, 19943594), (11, 18130540), (20, 9971797), (22, 9065270), (44, 4532635), (55, 3626108), (110, 1813054), (220, 906527), (239, 834460), (478, 417230), (956, 208615), (1195, 166892), (2390, 83446), (2629, 75860), (3793, 52580), (4780, 41723), (5258, 37930), (7586, 26290), (10516, 18965), (13145, 15172)]