213538500

素因数分解:

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

素因数の和:6811

約数の個数: 144

約数和(自身を含む): 769991040

約数和(自身を除く): 556452540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 84, 90, 100, 105, 125, 126, 140, 150, 175, 180, 210, 225, 250, 252, 300, 315, 350, 375, 420, 450, 500, 525, 630, 700, 750, 875, 900, 1050, 1125, 1260, 1500, 1575, 1750, 2100, 2250, 2625, 3150, 3500, 4500, 5250, 6300, 6779, 7875, 10500, 13558, 15750, 20337, 27116, 31500, 33895, 40674, 47453, 61011, 67790, 81348, 94906, 101685, 122022, 135580, 142359, 169475, 189812, 203370, 237265, 244044, 284718, 305055, 338950, 406740, 427077, 474530, 508425, 569436, 610110, 677900, 711795, 847375, 854154, 949060, 1016850, 1186325, 1220220, 1423590, 1525275, 1694750, 1708308, 2033700, 2135385, 2372650, 2542125, 2847180, 3050550, 3389500, 3558975, 4270770, 4745300, 5084250, 5931625, 6101100, 7117950, 7626375, 8541540, 10168500, 10676925, 11863250, 14235900, 15252750, 17794875, 21353850, 23726500, 30505500, 35589750, 42707700, 53384625, 71179500, 106769250, 213538500]

約数ペア:

[(1, 213538500), (2, 106769250), (3, 71179500), (4, 53384625), (5, 42707700), (6, 35589750), (7, 30505500), (9, 23726500), (10, 21353850), (12, 17794875), (14, 15252750), (15, 14235900), (18, 11863250), (20, 10676925), (21, 10168500), (25, 8541540), (28, 7626375), (30, 7117950), (35, 6101100), (36, 5931625), (42, 5084250), (45, 4745300), (50, 4270770), (60, 3558975), (63, 3389500), (70, 3050550), (75, 2847180), (84, 2542125), (90, 2372650), (100, 2135385), (105, 2033700), (125, 1708308), (126, 1694750), (140, 1525275), (150, 1423590), (175, 1220220), (180, 1186325), (210, 1016850), (225, 949060), (250, 854154), (252, 847375), (300, 711795), (315, 677900), (350, 610110), (375, 569436), (420, 508425), (450, 474530), (500, 427077), (525, 406740), (630, 338950), (700, 305055), (750, 284718), (875, 244044), (900, 237265), (1050, 203370), (1125, 189812), (1260, 169475), (1500, 142359), (1575, 135580), (1750, 122022), (2100, 101685), (2250, 94906), (2625, 81348), (3150, 67790), (3500, 61011), (4500, 47453), (5250, 40674), (6300, 33895), (6779, 31500), (7875, 27116), (10500, 20337), (13558, 15750)]