15439340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{110281}}^1$

素因数の和:110297

約数の個数: 24

約数和(自身を含む): 37054752

約数和(自身を除く): 21615412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 110281, 220562, 441124, 551405, 771967, 1102810, 1543934, 2205620, 3087868, 3859835, 7719670, 15439340]

約数ペア:

[(1, 15439340), (2, 7719670), (4, 3859835), (5, 3087868), (7, 2205620), (10, 1543934), (14, 1102810), (20, 771967), (28, 551405), (35, 441124), (70, 220562), (140, 110281)]