838021520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{3011}}^1$

素因数の和:3109

約数の個数: 120

約数和(自身を含む): 2299192128

約数和(自身を除く): 1461170608

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 71, 80, 98, 112, 140, 142, 196, 245, 280, 284, 355, 392, 490, 497, 560, 568, 710, 784, 980, 994, 1136, 1420, 1960, 1988, 2485, 2840, 3011, 3479, 3920, 3976, 4970, 5680, 6022, 6958, 7952, 9940, 12044, 13916, 15055, 17395, 19880, 21077, 24088, 27832, 30110, 34790, 39760, 42154, 48176, 55664, 60220, 69580, 84308, 105385, 120440, 139160, 147539, 168616, 210770, 213781, 240880, 278320, 295078, 337232, 421540, 427562, 590156, 737695, 843080, 855124, 1068905, 1180312, 1475390, 1496467, 1686160, 1710248, 2137810, 2360624, 2950780, 2992934, 3420496, 4275620, 5901560, 5985868, 7482335, 8551240, 10475269, 11803120, 11971736, 14964670, 17102480, 20950538, 23943472, 29929340, 41901076, 52376345, 59858680, 83802152, 104752690, 119717360, 167604304, 209505380, 419010760, 838021520]

約数ペア:

[(1, 838021520), (2, 419010760), (4, 209505380), (5, 167604304), (7, 119717360), (8, 104752690), (10, 83802152), (14, 59858680), (16, 52376345), (20, 41901076), (28, 29929340), (35, 23943472), (40, 20950538), (49, 17102480), (56, 14964670), (70, 11971736), (71, 11803120), (80, 10475269), (98, 8551240), (112, 7482335), (140, 5985868), (142, 5901560), (196, 4275620), (245, 3420496), (280, 2992934), (284, 2950780), (355, 2360624), (392, 2137810), (490, 1710248), (497, 1686160), (560, 1496467), (568, 1475390), (710, 1180312), (784, 1068905), (980, 855124), (994, 843080), (1136, 737695), (1420, 590156), (1960, 427562), (1988, 421540), (2485, 337232), (2840, 295078), (3011, 278320), (3479, 240880), (3920, 213781), (3976, 210770), (4970, 168616), (5680, 147539), (6022, 139160), (6958, 120440), (7952, 105385), (9940, 84308), (12044, 69580), (13916, 60220), (15055, 55664), (17395, 48176), (19880, 42154), (21077, 39760), (24088, 34790), (27832, 30110)]