129742700

素因数分解:

$2^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{11903}}^1$

素因数の和:12026

約数の個数: 36

約数和(自身を含む): 284148480

約数和(自身を除く): 154405780

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 109, 218, 436, 545, 1090, 2180, 2725, 5450, 10900, 11903, 23806, 47612, 59515, 119030, 238060, 297575, 595150, 1190300, 1297427, 2594854, 5189708, 6487135, 12974270, 25948540, 32435675, 64871350, 129742700]

約数ペア:

[(1, 129742700), (2, 64871350), (4, 32435675), (5, 25948540), (10, 12974270), (20, 6487135), (25, 5189708), (50, 2594854), (100, 1297427), (109, 1190300), (218, 595150), (436, 297575), (545, 238060), (1090, 119030), (2180, 59515), (2725, 47612), (5450, 23806), (10900, 11903)]