1321538260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{9439559}}^1$

素因数の和:9439575

約数の個数: 24

約数和(自身を含む): 3171692160

約数和(自身を除く): 1850153900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 9439559, 18879118, 37758236, 47197795, 66076913, 94395590, 132153826, 188791180, 264307652, 330384565, 660769130, 1321538260]

約数ペア:

[(1, 1321538260), (2, 660769130), (4, 330384565), (5, 264307652), (7, 188791180), (10, 132153826), (14, 94395590), (20, 66076913), (28, 47197795), (35, 37758236), (70, 18879118), (140, 9439559)]