148520140

素因数分解:

$2^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{11549}}^1$

素因数の和:12201

約数の個数: 24

約数和(自身を含む): 312404400

約数和(自身を除く): 163884260

約数列:

[1, 2, 4, 5, 10, 20, 643, 1286, 2572, 3215, 6430, 11549, 12860, 23098, 46196, 57745, 115490, 230980, 7426007, 14852014, 29704028, 37130035, 74260070, 148520140]

約数ペア:

[(1, 148520140), (2, 74260070), (4, 37130035), (5, 29704028), (10, 14852014), (20, 7426007), (643, 230980), (1286, 115490), (2572, 57745), (3215, 46196), (6430, 23098), (11549, 12860)]