187872020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{20029}}^1$

素因数の和:20112

約数の個数: 48

約数和(自身を含む): 457645440

約数和(自身を除く): 269773420

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, 20029, 40058, 80116, 100145, 140203, 200290, 280406, 400580, 560812, 701015, 1341943, 1402030, 2683886, 2804060, 5367772, 6709715, 9393601, 13419430, 18787202, 26838860, 37574404, 46968005, 93936010, 187872020]

約数ペア:

[(1, 187872020), (2, 93936010), (4, 46968005), (5, 37574404), (7, 26838860), (10, 18787202), (14, 13419430), (20, 9393601), (28, 6709715), (35, 5367772), (67, 2804060), (70, 2683886), (134, 1402030), (140, 1341943), (268, 701015), (335, 560812), (469, 400580), (670, 280406), (938, 200290), (1340, 140203), (1876, 100145), (2345, 80116), (4690, 40058), (9380, 20029)]