9999430

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{20407}}^1$

素因数の和:20428

約数の個数: 24

約数和(自身を含む): 20938608

約数和(自身を除く): 10939178

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 20407, 40814, 102035, 142849, 204070, 285698, 714245, 999943, 1428490, 1999886, 4999715, 9999430]

約数ペア:

[(1, 9999430), (2, 4999715), (5, 1999886), (7, 1428490), (10, 999943), (14, 714245), (35, 285698), (49, 204070), (70, 142849), (98, 102035), (245, 40814), (490, 20407)]