28882420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{206303}}^1$

素因数の和:206319

約数の個数: 24

約数和(自身を含む): 69318144

約数和(自身を除く): 40435724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 206303, 412606, 825212, 1031515, 1444121, 2063030, 2888242, 4126060, 5776484, 7220605, 14441210, 28882420]

約数ペア:

[(1, 28882420), (2, 14441210), (4, 7220605), (5, 5776484), (7, 4126060), (10, 2888242), (14, 2063030), (20, 1444121), (28, 1031515), (35, 825212), (70, 412606), (140, 206303)]