1691161780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{15467}}^1$

素因数の和:15565

約数の個数: 96

約数和(自身を含む): 4490422272

約数和(自身を除く): 2799260492

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 71, 77, 110, 140, 142, 154, 220, 284, 308, 355, 385, 497, 710, 770, 781, 994, 1420, 1540, 1562, 1988, 2485, 3124, 3905, 4970, 5467, 7810, 9940, 10934, 15467, 15620, 21868, 27335, 30934, 54670, 61868, 77335, 108269, 109340, 154670, 170137, 216538, 309340, 340274, 433076, 541345, 680548, 850685, 1082690, 1098157, 1190959, 1701370, 2165380, 2196314, 2381918, 3402740, 4392628, 4763836, 5490785, 5954795, 7687099, 10981570, 11909590, 12079727, 15374198, 21963140, 23819180, 24159454, 30748396, 38435495, 48318908, 60398635, 76870990, 84558089, 120797270, 153741980, 169116178, 241594540, 338232356, 422790445, 845580890, 1691161780]

約数ペア:

[(1, 1691161780), (2, 845580890), (4, 422790445), (5, 338232356), (7, 241594540), (10, 169116178), (11, 153741980), (14, 120797270), (20, 84558089), (22, 76870990), (28, 60398635), (35, 48318908), (44, 38435495), (55, 30748396), (70, 24159454), (71, 23819180), (77, 21963140), (110, 15374198), (140, 12079727), (142, 11909590), (154, 10981570), (220, 7687099), (284, 5954795), (308, 5490785), (355, 4763836), (385, 4392628), (497, 3402740), (710, 2381918), (770, 2196314), (781, 2165380), (994, 1701370), (1420, 1190959), (1540, 1098157), (1562, 1082690), (1988, 850685), (2485, 680548), (3124, 541345), (3905, 433076), (4970, 340274), (5467, 309340), (7810, 216538), (9940, 170137), (10934, 154670), (15467, 109340), (15620, 108269), (21868, 77335), (27335, 61868), (30934, 54670)]