49945870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{277}}^1$

素因数の和:389

約数の個数: 64

約数和(自身を含む): 103682880

約数和(自身を除く): 53737010

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 73, 95, 130, 146, 190, 247, 277, 365, 494, 554, 730, 949, 1235, 1385, 1387, 1898, 2470, 2770, 2774, 3601, 4745, 5263, 6935, 7202, 9490, 10526, 13870, 18005, 18031, 20221, 26315, 36010, 36062, 40442, 52630, 68419, 90155, 101105, 136838, 180310, 202210, 262873, 342095, 384199, 525746, 684190, 768398, 1314365, 1920995, 2628730, 3841990, 4994587, 9989174, 24972935, 49945870]

約数ペア:

[(1, 49945870), (2, 24972935), (5, 9989174), (10, 4994587), (13, 3841990), (19, 2628730), (26, 1920995), (38, 1314365), (65, 768398), (73, 684190), (95, 525746), (130, 384199), (146, 342095), (190, 262873), (247, 202210), (277, 180310), (365, 136838), (494, 101105), (554, 90155), (730, 68419), (949, 52630), (1235, 40442), (1385, 36062), (1387, 36010), (1898, 26315), (2470, 20221), (2770, 18031), (2774, 18005), (3601, 13870), (4745, 10526), (5263, 9490), (6935, 7202)]