201321260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1438009}}^1$

素因数の和:1438025

約数の個数: 24

約数和(自身を含む): 483171360

約数和(自身を除く): 281850100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1438009, 2876018, 5752036, 7190045, 10066063, 14380090, 20132126, 28760180, 40264252, 50330315, 100660630, 201321260]

約数ペア:

[(1, 201321260), (2, 100660630), (4, 50330315), (5, 40264252), (7, 28760180), (10, 20132126), (14, 14380090), (20, 10066063), (28, 7190045), (35, 5752036), (70, 2876018), (140, 1438009)]