749212.0000000

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{857}}^1$

素因数の和:887

約数の個数: 48

約数和(自身を含む): 14414400

約数和(自身を除く): 8535380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 857, 980, 1372, 1714, 1715, 3428, 3430, 4285, 5999, 6860, 8570, 11998, 17140, 23996, 29995, 41993, 59990, 83986, 119980, 167972, 209965, 293951, 419930, 587902, 839860, 1175804, 1469755, 2939510, 5879020]

約数ペア:

[(1, 5879020), (2, 2939510), (4, 1469755), (5, 1175804), (7, 839860), (10, 587902), (14, 419930), (20, 293951), (28, 209965), (35, 167972), (49, 119980), (70, 83986), (98, 59990), (140, 41993), (196, 29995), (245, 23996), (343, 17140), (490, 11998), (686, 8570), (857, 6860), (980, 5999), (1372, 4285), (1714, 3430), (1715, 3428)]