289346590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{313}}^1\times {\mathrm{547}}^1$

素因数の和:893

約数の個数: 48

約数和(自身を含む): 566805168

約数和(自身を除く): 277458578

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 313, 338, 547, 626, 845, 1094, 1565, 1690, 2735, 3130, 4069, 5470, 7111, 8138, 14222, 20345, 35555, 40690, 52897, 71110, 92443, 105794, 171211, 184886, 264485, 342422, 462215, 528970, 856055, 924430, 1712110, 2225743, 4451486, 11128715, 22257430, 28934659, 57869318, 144673295, 289346590]

約数ペア:

[(1, 289346590), (2, 144673295), (5, 57869318), (10, 28934659), (13, 22257430), (26, 11128715), (65, 4451486), (130, 2225743), (169, 1712110), (313, 924430), (338, 856055), (547, 528970), (626, 462215), (845, 342422), (1094, 264485), (1565, 184886), (1690, 171211), (2735, 105794), (3130, 92443), (4069, 71110), (5470, 52897), (7111, 40690), (8138, 35555), (14222, 20345)]