340595220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{810941}}^1$

素因数の和:810960

約数の個数: 48

約数和(自身を含む): 1089906048

約数和(自身を除く): 749310828

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, 810941, 1621882, 2432823, 3243764, 4054705, 4865646, 5676587, 8109410, 9731292, 11353174, 12164115, 16218820, 17029761, 22706348, 24328230, 28382935, 34059522, 48656460, 56765870, 68119044, 85148805, 113531740, 170297610, 340595220]

約数ペア:

[(1, 340595220), (2, 170297610), (3, 113531740), (4, 85148805), (5, 68119044), (6, 56765870), (7, 48656460), (10, 34059522), (12, 28382935), (14, 24328230), (15, 22706348), (20, 17029761), (21, 16218820), (28, 12164115), (30, 11353174), (35, 9731292), (42, 8109410), (60, 5676587), (70, 4865646), (84, 4054705), (105, 3243764), (140, 2432823), (210, 1621882), (420, 810941)]