1944173860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1\times {\mathrm{10253}}^1$

素因数の和:10780

約数の個数: 48

約数和(自身を含む): 4306680000

約数和(自身を除く): 2362506140

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 499, 998, 1996, 2495, 4990, 9481, 9980, 10253, 18962, 20506, 37924, 41012, 47405, 51265, 94810, 102530, 189620, 194807, 205060, 389614, 779228, 974035, 1948070, 3896140, 5116247, 10232494, 20464988, 25581235, 51162470, 97208693, 102324940, 194417386, 388834772, 486043465, 972086930, 1944173860]

約数ペア:

[(1, 1944173860), (2, 972086930), (4, 486043465), (5, 388834772), (10, 194417386), (19, 102324940), (20, 97208693), (38, 51162470), (76, 25581235), (95, 20464988), (190, 10232494), (380, 5116247), (499, 3896140), (998, 1948070), (1996, 974035), (2495, 779228), (4990, 389614), (9481, 205060), (9980, 194807), (10253, 189620), (18962, 102530), (20506, 94810), (37924, 51265), (41012, 47405)]