125720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{449}}^1$

素因数の和:467

約数の個数: 32

約数和(自身を含む): 324000

約数和(自身を除く): 198280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 449, 898, 1796, 2245, 3143, 3592, 4490, 6286, 8980, 12572, 15715, 17960, 25144, 31430, 62860, 125720]

約数ペア:

[(1, 125720), (2, 62860), (4, 31430), (5, 25144), (7, 17960), (8, 15715), (10, 12572), (14, 8980), (20, 6286), (28, 4490), (35, 3592), (40, 3143), (56, 2245), (70, 1796), (140, 898), (280, 449)]