282820

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1$

素因数の和:267

約数の個数: 24

約数和(自身を含む): 604800

約数和(自身を除く): 321980

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 179, 316, 358, 395, 716, 790, 895, 1580, 1790, 3580, 14141, 28282, 56564, 70705, 141410, 282820]

約数ペア:

[(1, 282820), (2, 141410), (4, 70705), (5, 56564), (10, 28282), (20, 14141), (79, 3580), (158, 1790), (179, 1580), (316, 895), (358, 790), (395, 716)]