3880940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1459}}^1$

素因数の和:1494

約数の個数: 48

約数和(自身を含む): 9811200

約数和(自身を除く): 5930260

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 1459, 2660, 2918, 5836, 7295, 10213, 14590, 20426, 27721, 29180, 40852, 51065, 55442, 102130, 110884, 138605, 194047, 204260, 277210, 388094, 554420, 776188, 970235, 1940470, 3880940]

約数ペア:

[(1, 3880940), (2, 1940470), (4, 970235), (5, 776188), (7, 554420), (10, 388094), (14, 277210), (19, 204260), (20, 194047), (28, 138605), (35, 110884), (38, 102130), (70, 55442), (76, 51065), (95, 40852), (133, 29180), (140, 27721), (190, 20426), (266, 14590), (380, 10213), (532, 7295), (665, 5836), (1330, 2918), (1459, 2660)]