27286420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{2909}}^1$

素因数の和:2992

約数の個数: 48

約数和(自身を含む): 66487680

約数和(自身を除く): 39201260

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, 2909, 4690, 5818, 9380, 11636, 14545, 20363, 29090, 40726, 58180, 81452, 101815, 194903, 203630, 389806, 407260, 779612, 974515, 1364321, 1949030, 2728642, 3898060, 5457284, 6821605, 13643210, 27286420]

約数ペア:

[(1, 27286420), (2, 13643210), (4, 6821605), (5, 5457284), (7, 3898060), (10, 2728642), (14, 1949030), (20, 1364321), (28, 974515), (35, 779612), (67, 407260), (70, 389806), (134, 203630), (140, 194903), (268, 101815), (335, 81452), (469, 58180), (670, 40726), (938, 29090), (1340, 20363), (1876, 14545), (2345, 11636), (2909, 9380), (4690, 5818)]