380940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{907}}^1$

素因数の和:926

約数の個数: 48

約数和(自身を含む): 1220352

約数和(自身を除く): 839412

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 907, 1814, 2721, 3628, 4535, 5442, 6349, 9070, 10884, 12698, 13605, 18140, 19047, 25396, 27210, 31745, 38094, 54420, 63490, 76188, 95235, 126980, 190470, 380940]

約数ペア:

[(1, 380940), (2, 190470), (3, 126980), (4, 95235), (5, 76188), (6, 63490), (7, 54420), (10, 38094), (12, 31745), (14, 27210), (15, 25396), (20, 19047), (21, 18140), (28, 13605), (30, 12698), (35, 10884), (42, 9070), (60, 6349), (70, 5442), (84, 4535), (105, 3628), (140, 2721), (210, 1814), (420, 907)]