128236430

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{261707}}^1$

素因数の和:261728

約数の個数: 24

約数和(自身を含む): 268512408

約数和(自身を除く): 140275978

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 261707, 523414, 1308535, 1831949, 2617070, 3663898, 9159745, 12823643, 18319490, 25647286, 64118215, 128236430]

約数ペア:

[(1, 128236430), (2, 64118215), (5, 25647286), (7, 18319490), (10, 12823643), (14, 9159745), (35, 3663898), (49, 2617070), (70, 1831949), (98, 1308535), (245, 523414), (490, 261707)]