2807420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1823}}^1$

素因数の和:1850

約数の個数: 48

約数和(自身を含む): 7354368

約数和(自身を除く): 4546948

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 1823, 3646, 7292, 9115, 12761, 18230, 20053, 25522, 36460, 40106, 51044, 63805, 80212, 100265, 127610, 140371, 200530, 255220, 280742, 401060, 561484, 701855, 1403710, 2807420]

約数ペア:

[(1, 2807420), (2, 1403710), (4, 701855), (5, 561484), (7, 401060), (10, 280742), (11, 255220), (14, 200530), (20, 140371), (22, 127610), (28, 100265), (35, 80212), (44, 63805), (55, 51044), (70, 40106), (77, 36460), (110, 25522), (140, 20053), (154, 18230), (220, 12761), (308, 9115), (385, 7292), (770, 3646), (1540, 1823)]