2809380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{6689}}^1$

素因数の和:6708

約数の個数: 48

約数和(自身を含む): 8991360

約数和(自身を除く): 6181980

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, 6689, 13378, 20067, 26756, 33445, 40134, 46823, 66890, 80268, 93646, 100335, 133780, 140469, 187292, 200670, 234115, 280938, 401340, 468230, 561876, 702345, 936460, 1404690, 2809380]

約数ペア:

[(1, 2809380), (2, 1404690), (3, 936460), (4, 702345), (5, 561876), (6, 468230), (7, 401340), (10, 280938), (12, 234115), (14, 200670), (15, 187292), (20, 140469), (21, 133780), (28, 100335), (30, 93646), (35, 80268), (42, 66890), (60, 46823), (70, 40134), (84, 33445), (105, 26756), (140, 20067), (210, 13378), (420, 6689)]