266712890

素因数分解:

$2^1\times 5^1\times {\mathrm{1423}}^1\times {\mathrm{18743}}^1$

素因数の和:20173

約数の個数: 16

約数和(自身を含む): 480446208

約数和(自身を除く): 213733318

約数列:

[1, 2, 5, 10, 1423, 2846, 7115, 14230, 18743, 37486, 93715, 187430, 26671289, 53342578, 133356445, 266712890]

約数ペア:

[(1, 266712890), (2, 133356445), (5, 53342578), (10, 26671289), (1423, 187430), (2846, 93715), (7115, 37486), (14230, 18743)]