289210010

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{220771}}^1$

素因数の和:220909

約数の個数: 16

約数和(自身を含む): 524554272

約数和(自身を除く): 235344262

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 220771, 441542, 1103855, 2207710, 28921001, 57842002, 144605005, 289210010]

約数ペア:

[(1, 289210010), (2, 144605005), (5, 57842002), (10, 28921001), (131, 2207710), (262, 1103855), (655, 441542), (1310, 220771)]