85271480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{304541}}^1$

素因数の和:304559

約数の個数: 32

約数和(自身を含む): 219270240

約数和(自身を除く): 133998760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 304541, 609082, 1218164, 1522705, 2131787, 2436328, 3045410, 4263574, 6090820, 8527148, 10658935, 12181640, 17054296, 21317870, 42635740, 85271480]

約数ペア:

[(1, 85271480), (2, 42635740), (4, 21317870), (5, 17054296), (7, 12181640), (8, 10658935), (10, 8527148), (14, 6090820), (20, 4263574), (28, 3045410), (35, 2436328), (40, 2131787), (56, 1522705), (70, 1218164), (140, 609082), (280, 304541)]