210939080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{11149}}^1$

素因数の和:11214

約数の個数: 64

約数和(自身を含む): 529848000

約数和(自身を除く): 318908920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 440, 473, 860, 946, 1720, 1892, 2365, 3784, 4730, 9460, 11149, 18920, 22298, 44596, 55745, 89192, 111490, 122639, 222980, 245278, 445960, 479407, 490556, 613195, 958814, 981112, 1226390, 1917628, 2397035, 2452780, 3835256, 4794070, 4905560, 5273477, 9588140, 10546954, 19176280, 21093908, 26367385, 42187816, 52734770, 105469540, 210939080]

約数ペア:

[(1, 210939080), (2, 105469540), (4, 52734770), (5, 42187816), (8, 26367385), (10, 21093908), (11, 19176280), (20, 10546954), (22, 9588140), (40, 5273477), (43, 4905560), (44, 4794070), (55, 3835256), (86, 2452780), (88, 2397035), (110, 1917628), (172, 1226390), (215, 981112), (220, 958814), (344, 613195), (430, 490556), (440, 479407), (473, 445960), (860, 245278), (946, 222980), (1720, 122639), (1892, 111490), (2365, 89192), (3784, 55745), (4730, 44596), (9460, 22298), (11149, 18920)]