1368380

素因数分解:

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

素因数の和:318

約数の個数: 48

約数和(自身を含む): 3269280

約数和(自身を除く): 1900900

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 277, 380, 494, 554, 988, 1108, 1235, 1385, 2470, 2770, 3601, 4940, 5263, 5540, 7202, 10526, 14404, 18005, 21052, 26315, 36010, 52630, 68419, 72020, 105260, 136838, 273676, 342095, 684190, 1368380]

約数ペア:

[(1, 1368380), (2, 684190), (4, 342095), (5, 273676), (10, 136838), (13, 105260), (19, 72020), (20, 68419), (26, 52630), (38, 36010), (52, 26315), (65, 21052), (76, 18005), (95, 14404), (130, 10526), (190, 7202), (247, 5540), (260, 5263), (277, 4940), (380, 3601), (494, 2770), (554, 2470), (988, 1385), (1108, 1235)]