3841990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{277}}^1$

素因数の和:376

約数の個数: 32

約数和(自身を含む): 7405920

約数和(自身を除く): 3563930

約数列:

[1, 2, 5, 10, 19, 38, 73, 95, 146, 190, 277, 365, 554, 730, 1385, 1387, 2770, 2774, 5263, 6935, 10526, 13870, 20221, 26315, 40442, 52630, 101105, 202210, 384199, 768398, 1920995, 3841990]

約数ペア:

[(1, 3841990), (2, 1920995), (5, 768398), (10, 384199), (19, 202210), (38, 101105), (73, 52630), (95, 40442), (146, 26315), (190, 20221), (277, 13870), (365, 10526), (554, 6935), (730, 5263), (1385, 2774), (1387, 2770)]