253519490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{20233}}^1$

素因数の和:20426

約数の個数: 32

約数和(自身を含む): 524465280

約数和(自身を除く): 270945790

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 179, 358, 895, 1253, 1790, 2506, 6265, 12530, 20233, 40466, 101165, 141631, 202330, 283262, 708155, 1416310, 3621707, 7243414, 18108535, 25351949, 36217070, 50703898, 126759745, 253519490]

約数ペア:

[(1, 253519490), (2, 126759745), (5, 50703898), (7, 36217070), (10, 25351949), (14, 18108535), (35, 7243414), (70, 3621707), (179, 1416310), (358, 708155), (895, 283262), (1253, 202330), (1790, 141631), (2506, 101165), (6265, 40466), (12530, 20233)]