57439480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{205141}}^1$

素因数の和:205159

約数の個数: 32

約数和(自身を含む): 147702240

約数和(自身を除く): 90262760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 205141, 410282, 820564, 1025705, 1435987, 1641128, 2051410, 2871974, 4102820, 5743948, 7179935, 8205640, 11487896, 14359870, 28719740, 57439480]

約数ペア:

[(1, 57439480), (2, 28719740), (4, 14359870), (5, 11487896), (7, 8205640), (8, 7179935), (10, 5743948), (14, 4102820), (20, 2871974), (28, 2051410), (35, 1641128), (40, 1435987), (56, 1025705), (70, 820564), (140, 410282), (280, 205141)]