97720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{349}}^1$

素因数の和:367

約数の個数: 32

約数和(自身を含む): 252000

約数和(自身を除く): 154280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 349, 698, 1396, 1745, 2443, 2792, 3490, 4886, 6980, 9772, 12215, 13960, 19544, 24430, 48860, 97720]

約数ペア:

[(1, 97720), (2, 48860), (4, 24430), (5, 19544), (7, 13960), (8, 12215), (10, 9772), (14, 6980), (20, 4886), (28, 3490), (35, 2792), (40, 2443), (56, 1745), (70, 1396), (140, 698), (280, 349)]