212463890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{10259}}^1$

素因数の和:10394

約数の個数: 32

約数和(自身を含む): 406296000

約数和(自身を除く): 193832110

約数列:

[1, 2, 5, 10, 19, 38, 95, 109, 190, 218, 545, 1090, 2071, 4142, 10259, 10355, 20518, 20710, 51295, 102590, 194921, 389842, 974605, 1118231, 1949210, 2236462, 5591155, 11182310, 21246389, 42492778, 106231945, 212463890]

約数ペア:

[(1, 212463890), (2, 106231945), (5, 42492778), (10, 21246389), (19, 11182310), (38, 5591155), (95, 2236462), (109, 1949210), (190, 1118231), (218, 974605), (545, 389842), (1090, 194921), (2071, 102590), (4142, 51295), (10259, 20710), (10355, 20518)]