1138597990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2039}}^1\times {\mathrm{2939}}^1$

素因数の和:5004

約数の個数: 32

約数和(自身を含む): 2159136000

約数和(自身を除く): 1020538010

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 2039, 2939, 4078, 5878, 10195, 14695, 20390, 29390, 38741, 55841, 77482, 111682, 193705, 279205, 387410, 558410, 5992621, 11985242, 29963105, 59926210, 113859799, 227719598, 569298995, 1138597990]

約数ペア:

[(1, 1138597990), (2, 569298995), (5, 227719598), (10, 113859799), (19, 59926210), (38, 29963105), (95, 11985242), (190, 5992621), (2039, 558410), (2939, 387410), (4078, 279205), (5878, 193705), (10195, 111682), (14695, 77482), (20390, 55841), (29390, 38741)]