1687940380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{179951}}^1$

素因数の和:180034

約数の個数: 48

約数和(自身を含む): 4111543296

約数和(自身を除く): 2423602916

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 469, 670, 938, 1340, 1876, 2345, 4690, 9380, 179951, 359902, 719804, 899755, 1259657, 1799510, 2519314, 3599020, 5038628, 6298285, 12056717, 12596570, 24113434, 25193140, 48226868, 60283585, 84397019, 120567170, 168794038, 241134340, 337588076, 421985095, 843970190, 1687940380]

約数ペア:

[(1, 1687940380), (2, 843970190), (4, 421985095), (5, 337588076), (7, 241134340), (10, 168794038), (14, 120567170), (20, 84397019), (28, 60283585), (35, 48226868), (67, 25193140), (70, 24113434), (134, 12596570), (140, 12056717), (268, 6298285), (335, 5038628), (469, 3599020), (670, 2519314), (938, 1799510), (1340, 1259657), (1876, 899755), (2345, 719804), (4690, 359902), (9380, 179951)]