28283500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{8081}}^1$

素因数の和:8107

約数の個数: 48

約数和(自身を含む): 70604352

約数和(自身を除く): 42320852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 700, 875, 1750, 3500, 8081, 16162, 32324, 40405, 56567, 80810, 113134, 161620, 202025, 226268, 282835, 404050, 565670, 808100, 1010125, 1131340, 1414175, 2020250, 2828350, 4040500, 5656700, 7070875, 14141750, 28283500]

約数ペア:

[(1, 28283500), (2, 14141750), (4, 7070875), (5, 5656700), (7, 4040500), (10, 2828350), (14, 2020250), (20, 1414175), (25, 1131340), (28, 1010125), (35, 808100), (50, 565670), (70, 404050), (100, 282835), (125, 226268), (140, 202025), (175, 161620), (250, 113134), (350, 80810), (500, 56567), (700, 40405), (875, 32324), (1750, 16162), (3500, 8081)]