90031340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{643081}}^1$

素因数の和:643097

約数の個数: 24

約数和(自身を含む): 216075552

約数和(自身を除く): 126044212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 643081, 1286162, 2572324, 3215405, 4501567, 6430810, 9003134, 12861620, 18006268, 22507835, 45015670, 90031340]

約数ペア:

[(1, 90031340), (2, 45015670), (4, 22507835), (5, 18006268), (7, 12861620), (10, 9003134), (14, 6430810), (20, 4501567), (28, 3215405), (35, 2572324), (70, 1286162), (140, 643081)]