297780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{709}}^1$

素因数の和:728

約数の個数: 48

約数和(自身を含む): 954240

約数和(自身を除く): 656460

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, 709, 1418, 2127, 2836, 3545, 4254, 4963, 7090, 8508, 9926, 10635, 14180, 14889, 19852, 21270, 24815, 29778, 42540, 49630, 59556, 74445, 99260, 148890, 297780]

約数ペア:

[(1, 297780), (2, 148890), (3, 99260), (4, 74445), (5, 59556), (6, 49630), (7, 42540), (10, 29778), (12, 24815), (14, 21270), (15, 19852), (20, 14889), (21, 14180), (28, 10635), (30, 9926), (35, 8508), (42, 7090), (60, 4963), (70, 4254), (84, 3545), (105, 2836), (140, 2127), (210, 1418), (420, 709)]