8738940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{20807}}^1$

素因数の和:20826

約数の個数: 48

約数和(自身を含む): 27965952

約数和(自身を除く): 19227012

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, 20807, 41614, 62421, 83228, 104035, 124842, 145649, 208070, 249684, 291298, 312105, 416140, 436947, 582596, 624210, 728245, 873894, 1248420, 1456490, 1747788, 2184735, 2912980, 4369470, 8738940]

約数ペア:

[(1, 8738940), (2, 4369470), (3, 2912980), (4, 2184735), (5, 1747788), (6, 1456490), (7, 1248420), (10, 873894), (12, 728245), (14, 624210), (15, 582596), (20, 436947), (21, 416140), (28, 312105), (30, 291298), (35, 249684), (42, 208070), (60, 145649), (70, 124842), (84, 104035), (105, 83228), (140, 62421), (210, 41614), (420, 20807)]