28471800

素因数分解:

$2^3\times 3^1\times 5^2\times 7^1\times {\mathrm{6779}}^1$

素因数の和:6805

約数の個数: 96

約数和(自身を含む): 100886400

約数和(自身を除く): 72414600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 50, 56, 60, 70, 75, 84, 100, 105, 120, 140, 150, 168, 175, 200, 210, 280, 300, 350, 420, 525, 600, 700, 840, 1050, 1400, 2100, 4200, 6779, 13558, 20337, 27116, 33895, 40674, 47453, 54232, 67790, 81348, 94906, 101685, 135580, 142359, 162696, 169475, 189812, 203370, 237265, 271160, 284718, 338950, 379624, 406740, 474530, 508425, 569436, 677900, 711795, 813480, 949060, 1016850, 1138872, 1186325, 1355800, 1423590, 1898120, 2033700, 2372650, 2847180, 3558975, 4067400, 4745300, 5694360, 7117950, 9490600, 14235900, 28471800]

約数ペア:

[(1, 28471800), (2, 14235900), (3, 9490600), (4, 7117950), (5, 5694360), (6, 4745300), (7, 4067400), (8, 3558975), (10, 2847180), (12, 2372650), (14, 2033700), (15, 1898120), (20, 1423590), (21, 1355800), (24, 1186325), (25, 1138872), (28, 1016850), (30, 949060), (35, 813480), (40, 711795), (42, 677900), (50, 569436), (56, 508425), (60, 474530), (70, 406740), (75, 379624), (84, 338950), (100, 284718), (105, 271160), (120, 237265), (140, 203370), (150, 189812), (168, 169475), (175, 162696), (200, 142359), (210, 135580), (280, 101685), (300, 94906), (350, 81348), (420, 67790), (525, 54232), (600, 47453), (700, 40674), (840, 33895), (1050, 27116), (1400, 20337), (2100, 13558), (4200, 6779)]