309080590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{339649}}^1$

素因数の和:339676

約数の個数: 32

約数和(自身を含む): 684734400

約数和(自身を除く): 375653810

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 339649, 679298, 1698245, 2377543, 3396490, 4415437, 4755086, 8830874, 11887715, 22077185, 23775430, 30908059, 44154370, 61816118, 154540295, 309080590]

約数ペア:

[(1, 309080590), (2, 154540295), (5, 61816118), (7, 44154370), (10, 30908059), (13, 23775430), (14, 22077185), (26, 11887715), (35, 8830874), (65, 4755086), (70, 4415437), (91, 3396490), (130, 2377543), (182, 1698245), (455, 679298), (910, 339649)]