340161940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{8863}}^1$

素因数の和:8992

約数の個数: 48

約数和(自身を含む): 759467520

約数和(自身を除く): 419305580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 101, 190, 202, 380, 404, 505, 1010, 1919, 2020, 3838, 7676, 8863, 9595, 17726, 19190, 35452, 38380, 44315, 88630, 168397, 177260, 336794, 673588, 841985, 895163, 1683970, 1790326, 3367940, 3580652, 4475815, 8951630, 17008097, 17903260, 34016194, 68032388, 85040485, 170080970, 340161940]

約数ペア:

[(1, 340161940), (2, 170080970), (4, 85040485), (5, 68032388), (10, 34016194), (19, 17903260), (20, 17008097), (38, 8951630), (76, 4475815), (95, 3580652), (101, 3367940), (190, 1790326), (202, 1683970), (380, 895163), (404, 841985), (505, 673588), (1010, 336794), (1919, 177260), (2020, 168397), (3838, 88630), (7676, 44315), (8863, 38380), (9595, 35452), (17726, 19190)]