1777180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5227}}^1$

素因数の和:5253

約数の個数: 24

約数和(自身を含む): 3952368

約数和(自身を除く): 2175188

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 5227, 10454, 20908, 26135, 52270, 88859, 104540, 177718, 355436, 444295, 888590, 1777180]

約数ペア:

[(1, 1777180), (2, 888590), (4, 444295), (5, 355436), (10, 177718), (17, 104540), (20, 88859), (34, 52270), (68, 26135), (85, 20908), (170, 10454), (340, 5227)]