209510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:128

約数の個数: 32

約数和(自身を含む): 447552

約数和(自身を除く): 238042

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 70, 73, 82, 146, 205, 287, 365, 410, 511, 574, 730, 1022, 1435, 2555, 2870, 2993, 5110, 5986, 14965, 20951, 29930, 41902, 104755, 209510]

約数ペア:

[(1, 209510), (2, 104755), (5, 41902), (7, 29930), (10, 20951), (14, 14965), (35, 5986), (41, 5110), (70, 2993), (73, 2870), (82, 2555), (146, 1435), (205, 1022), (287, 730), (365, 574), (410, 511)]