1900476380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{89057}}^1$

素因数の和:89174

約数の個数: 48

約数和(自身を含む): 4398752736

約数和(自身を除く): 2498276356

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 97, 110, 194, 220, 388, 485, 970, 1067, 1940, 2134, 4268, 5335, 10670, 21340, 89057, 178114, 356228, 445285, 890570, 979627, 1781140, 1959254, 3918508, 4898135, 8638529, 9796270, 17277058, 19592540, 34554116, 43192645, 86385290, 95023819, 172770580, 190047638, 380095276, 475119095, 950238190, 1900476380]

約数ペア:

[(1, 1900476380), (2, 950238190), (4, 475119095), (5, 380095276), (10, 190047638), (11, 172770580), (20, 95023819), (22, 86385290), (44, 43192645), (55, 34554116), (97, 19592540), (110, 17277058), (194, 9796270), (220, 8638529), (388, 4898135), (485, 3918508), (970, 1959254), (1067, 1781140), (1940, 979627), (2134, 890570), (4268, 445285), (5335, 356228), (10670, 178114), (21340, 89057)]