127998700

素因数分解:

$2^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{11743}}^1$

素因数の和:11866

約数の個数: 36

約数和(自身を含む): 280329280

約数和(自身を除く): 152330580

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 109, 218, 436, 545, 1090, 2180, 2725, 5450, 10900, 11743, 23486, 46972, 58715, 117430, 234860, 293575, 587150, 1174300, 1279987, 2559974, 5119948, 6399935, 12799870, 25599740, 31999675, 63999350, 127998700]

約数ペア:

[(1, 127998700), (2, 63999350), (4, 31999675), (5, 25599740), (10, 12799870), (20, 6399935), (25, 5119948), (50, 2559974), (100, 1279987), (109, 1174300), (218, 587150), (436, 293575), (545, 234860), (1090, 117430), (2180, 58715), (2725, 46972), (5450, 23486), (10900, 11743)]