249621940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{304417}}^1$

素因数の和:304467

約数の個数: 24

約数和(自身を含む): 536993352

約数和(自身を除く): 287371412

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 304417, 608834, 1217668, 1522085, 3044170, 6088340, 12481097, 24962194, 49924388, 62405485, 124810970, 249621940]

約数ペア:

[(1, 249621940), (2, 124810970), (4, 62405485), (5, 49924388), (10, 24962194), (20, 12481097), (41, 6088340), (82, 3044170), (164, 1522085), (205, 1217668), (410, 608834), (820, 304417)]