173022680

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{16831}}^1$

素因数の和:17099

約数の個数: 32

約数和(自身を含む): 390839040

約数和(自身を除く): 217816360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 5140, 10280, 16831, 33662, 67324, 84155, 134648, 168310, 336620, 673240, 4325567, 8651134, 17302268, 21627835, 34604536, 43255670, 86511340, 173022680]

約数ペア:

[(1, 173022680), (2, 86511340), (4, 43255670), (5, 34604536), (8, 21627835), (10, 17302268), (20, 8651134), (40, 4325567), (257, 673240), (514, 336620), (1028, 168310), (1285, 134648), (2056, 84155), (2570, 67324), (5140, 33662), (10280, 16831)]