157428820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{271429}}^1$

素因数の和:271467

約数の個数: 24

約数和(自身を含む): 342001800

約数和(自身を除く): 184572980

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 271429, 542858, 1085716, 1357145, 2714290, 5428580, 7871441, 15742882, 31485764, 39357205, 78714410, 157428820]

約数ペア:

[(1, 157428820), (2, 78714410), (4, 39357205), (5, 31485764), (10, 15742882), (20, 7871441), (29, 5428580), (58, 2714290), (116, 1357145), (145, 1085716), (290, 542858), (580, 271429)]