8894470

素因数分解:

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

素因数の和:329

約数の個数: 48

約数和(自身を含む): 18314640

約数和(自身を除く): 9420170

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 169, 190, 247, 277, 338, 494, 554, 845, 1235, 1385, 1690, 2470, 2770, 3211, 3601, 5263, 6422, 7202, 10526, 16055, 18005, 26315, 32110, 36010, 46813, 52630, 68419, 93626, 136838, 234065, 342095, 468130, 684190, 889447, 1778894, 4447235, 8894470]

約数ペア:

[(1, 8894470), (2, 4447235), (5, 1778894), (10, 889447), (13, 684190), (19, 468130), (26, 342095), (38, 234065), (65, 136838), (95, 93626), (130, 68419), (169, 52630), (190, 46813), (247, 36010), (277, 32110), (338, 26315), (494, 18005), (554, 16055), (845, 10526), (1235, 7202), (1385, 6422), (1690, 5263), (2470, 3601), (2770, 3211)]