164518180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{2113}}^1$

素因数の和:2368

約数の個数: 48

約数和(自身を含む): 367582320

約数和(自身を除く): 203064140

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 229, 340, 458, 916, 1145, 2113, 2290, 3893, 4226, 4580, 7786, 8452, 10565, 15572, 19465, 21130, 35921, 38930, 42260, 71842, 77860, 143684, 179605, 359210, 483877, 718420, 967754, 1935508, 2419385, 4838770, 8225909, 9677540, 16451818, 32903636, 41129545, 82259090, 164518180]

約数ペア:

[(1, 164518180), (2, 82259090), (4, 41129545), (5, 32903636), (10, 16451818), (17, 9677540), (20, 8225909), (34, 4838770), (68, 2419385), (85, 1935508), (170, 967754), (229, 718420), (340, 483877), (458, 359210), (916, 179605), (1145, 143684), (2113, 77860), (2290, 71842), (3893, 42260), (4226, 38930), (4580, 35921), (7786, 21130), (8452, 19465), (10565, 15572)]