1821740

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1153}}^1$

素因数の和:1241

約数の個数: 24

約数和(自身を含む): 3877440

約数和(自身を除く): 2055700

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1153, 1580, 2306, 4612, 5765, 11530, 23060, 91087, 182174, 364348, 455435, 910870, 1821740]

約数ペア:

[(1, 1821740), (2, 910870), (4, 455435), (5, 364348), (10, 182174), (20, 91087), (79, 23060), (158, 11530), (316, 5765), (395, 4612), (790, 2306), (1153, 1580)]