7320940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{311}}^1$

素因数の和:438

約数の個数: 48

約数和(自身を含む): 16982784

約数和(自身を除く): 9661844

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 107, 110, 214, 220, 311, 428, 535, 622, 1070, 1177, 1244, 1555, 2140, 2354, 3110, 3421, 4708, 5885, 6220, 6842, 11770, 13684, 17105, 23540, 33277, 34210, 66554, 68420, 133108, 166385, 332770, 366047, 665540, 732094, 1464188, 1830235, 3660470, 7320940]

約数ペア:

[(1, 7320940), (2, 3660470), (4, 1830235), (5, 1464188), (10, 732094), (11, 665540), (20, 366047), (22, 332770), (44, 166385), (55, 133108), (107, 68420), (110, 66554), (214, 34210), (220, 33277), (311, 23540), (428, 17105), (535, 13684), (622, 11770), (1070, 6842), (1177, 6220), (1244, 5885), (1555, 4708), (2140, 3421), (2354, 3110)]