2840460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{6763}}^1$

素因数の和:6782

約数の個数: 48

約数和(自身を含む): 9090816

約数和(自身を除く): 6250356

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, 6763, 13526, 20289, 27052, 33815, 40578, 47341, 67630, 81156, 94682, 101445, 135260, 142023, 189364, 202890, 236705, 284046, 405780, 473410, 568092, 710115, 946820, 1420230, 2840460]

約数ペア:

[(1, 2840460), (2, 1420230), (3, 946820), (4, 710115), (5, 568092), (6, 473410), (7, 405780), (10, 284046), (12, 236705), (14, 202890), (15, 189364), (20, 142023), (21, 135260), (28, 101445), (30, 94682), (35, 81156), (42, 67630), (60, 47341), (70, 40578), (84, 33815), (105, 27052), (140, 20289), (210, 13526), (420, 6763)]