9718940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{6311}}^1$

素因数の和:6338

約数の個数: 48

約数和(自身を含む): 25449984

約数和(自身を除く): 15731044

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, 6311, 12622, 25244, 31555, 44177, 63110, 69421, 88354, 126220, 138842, 176708, 220885, 277684, 347105, 441770, 485947, 694210, 883540, 971894, 1388420, 1943788, 2429735, 4859470, 9718940]

約数ペア:

[(1, 9718940), (2, 4859470), (4, 2429735), (5, 1943788), (7, 1388420), (10, 971894), (11, 883540), (14, 694210), (20, 485947), (22, 441770), (28, 347105), (35, 277684), (44, 220885), (55, 176708), (70, 138842), (77, 126220), (110, 88354), (140, 69421), (154, 63110), (220, 44177), (308, 31555), (385, 25244), (770, 12622), (1540, 6311)]