164400280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{33967}}^1$

素因数の和:34000

約数の個数: 48

約数和(自身を含む): 406596960

約数和(自身を除く): 242196680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 33967, 67934, 135868, 169835, 271736, 339670, 373637, 679340, 747274, 1358680, 1494548, 1868185, 2989096, 3736370, 4110007, 7472740, 8220014, 14945480, 16440028, 20550035, 32880056, 41100070, 82200140, 164400280]

約数ペア:

[(1, 164400280), (2, 82200140), (4, 41100070), (5, 32880056), (8, 20550035), (10, 16440028), (11, 14945480), (20, 8220014), (22, 7472740), (40, 4110007), (44, 3736370), (55, 2989096), (88, 1868185), (110, 1494548), (121, 1358680), (220, 747274), (242, 679340), (440, 373637), (484, 339670), (605, 271736), (968, 169835), (1210, 135868), (2420, 67934), (4840, 33967)]