1772540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1151}}^1$

素因数の和:1178

約数の個数: 48

約数和(自身を含む): 4644864

約数和(自身を除く): 2872324

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, 1151, 1540, 2302, 4604, 5755, 8057, 11510, 12661, 16114, 23020, 25322, 32228, 40285, 50644, 63305, 80570, 88627, 126610, 161140, 177254, 253220, 354508, 443135, 886270, 1772540]

約数ペア:

[(1, 1772540), (2, 886270), (4, 443135), (5, 354508), (7, 253220), (10, 177254), (11, 161140), (14, 126610), (20, 88627), (22, 80570), (28, 63305), (35, 50644), (44, 40285), (55, 32228), (70, 25322), (77, 23020), (110, 16114), (140, 12661), (154, 11510), (220, 8057), (308, 5755), (385, 4604), (770, 2302), (1151, 1540)]