272020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:112

約数の個数: 48

約数和(自身を含む): 685440

約数和(自身を除く): 413420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 67, 70, 116, 134, 140, 145, 203, 268, 290, 335, 406, 469, 580, 670, 812, 938, 1015, 1340, 1876, 1943, 2030, 2345, 3886, 4060, 4690, 7772, 9380, 9715, 13601, 19430, 27202, 38860, 54404, 68005, 136010, 272020]

約数ペア:

[(1, 272020), (2, 136010), (4, 68005), (5, 54404), (7, 38860), (10, 27202), (14, 19430), (20, 13601), (28, 9715), (29, 9380), (35, 7772), (58, 4690), (67, 4060), (70, 3886), (116, 2345), (134, 2030), (140, 1943), (145, 1876), (203, 1340), (268, 1015), (290, 938), (335, 812), (406, 670), (469, 580)]