208391580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{8329}}^1$

素因数の和:8483

約数の個数: 72

約数和(自身を含む): 636745200

約数和(自身を除く): 428353620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 556, 695, 834, 1251, 1390, 1668, 2085, 2502, 2780, 4170, 5004, 6255, 8329, 8340, 12510, 16658, 24987, 25020, 33316, 41645, 49974, 74961, 83290, 99948, 124935, 149922, 166580, 249870, 299844, 374805, 499740, 749610, 1157731, 1499220, 2315462, 3473193, 4630924, 5788655, 6946386, 10419579, 11577310, 13892772, 17365965, 20839158, 23154620, 34731930, 41678316, 52097895, 69463860, 104195790, 208391580]

約数ペア:

[(1, 208391580), (2, 104195790), (3, 69463860), (4, 52097895), (5, 41678316), (6, 34731930), (9, 23154620), (10, 20839158), (12, 17365965), (15, 13892772), (18, 11577310), (20, 10419579), (30, 6946386), (36, 5788655), (45, 4630924), (60, 3473193), (90, 2315462), (139, 1499220), (180, 1157731), (278, 749610), (417, 499740), (556, 374805), (695, 299844), (834, 249870), (1251, 166580), (1390, 149922), (1668, 124935), (2085, 99948), (2502, 83290), (2780, 74961), (4170, 49974), (5004, 41645), (6255, 33316), (8329, 25020), (8340, 24987), (12510, 16658)]