239960

素因数分解:

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

素因数の和:875

約数の個数: 32

約数和(自身を含む): 617760

約数和(自身を除く): 377800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 857, 1714, 3428, 4285, 5999, 6856, 8570, 11998, 17140, 23996, 29995, 34280, 47992, 59990, 119980, 239960]

約数ペア:

[(1, 239960), (2, 119980), (4, 59990), (5, 47992), (7, 34280), (8, 29995), (10, 23996), (14, 17140), (20, 11998), (28, 8570), (35, 6856), (40, 5999), (56, 4285), (70, 3428), (140, 1714), (280, 857)]