28305620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{202183}}^1$

素因数の和:202199

約数の個数: 24

約数和(自身を含む): 67933824

約数和(自身を除く): 39628204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 202183, 404366, 808732, 1010915, 1415281, 2021830, 2830562, 4043660, 5661124, 7076405, 14152810, 28305620]

約数ペア:

[(1, 28305620), (2, 14152810), (4, 7076405), (5, 5661124), (7, 4043660), (10, 2830562), (14, 2021830), (20, 1415281), (28, 1010915), (35, 808732), (70, 404366), (140, 202183)]