247098980

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{35401}}^1$

素因数の和:35759

約数の個数: 24

約数和(自身を含む): 520409400

約数和(自身を除く): 273310420

約数列:

[1, 2, 4, 5, 10, 20, 349, 698, 1396, 1745, 3490, 6980, 35401, 70802, 141604, 177005, 354010, 708020, 12354949, 24709898, 49419796, 61774745, 123549490, 247098980]

約数ペア:

[(1, 247098980), (2, 123549490), (4, 61774745), (5, 49419796), (10, 24709898), (20, 12354949), (349, 708020), (698, 354010), (1396, 177005), (1745, 141604), (3490, 70802), (6980, 35401)]