309999098

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{59}}^1\times {\mathrm{101}}^1$

素因数の和:255

約数の個数: 48

約数和(自身を含む): 516650400

約数和(自身を除く): 206651302

約数列:

[1, 2, 19, 37, 38, 59, 74, 101, 118, 202, 703, 1121, 1369, 1406, 1919, 2183, 2242, 2738, 3737, 3838, 4366, 5959, 7474, 11918, 26011, 41477, 52022, 71003, 80771, 82954, 113221, 138269, 142006, 161542, 220483, 226442, 276538, 440966, 1534649, 2627111, 3069298, 4189177, 5254222, 8157871, 8378354, 16315742, 154999549, 309999098]

約数ペア:

[(1, 309999098), (2, 154999549), (19, 16315742), (37, 8378354), (38, 8157871), (59, 5254222), (74, 4189177), (101, 3069298), (118, 2627111), (202, 1534649), (703, 440966), (1121, 276538), (1369, 226442), (1406, 220483), (1919, 161542), (2183, 142006), (2242, 138269), (2738, 113221), (3737, 82954), (3838, 80771), (4366, 71003), (5959, 52022), (7474, 41477), (11918, 26011)]