280420172

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{283}}^1$

素因数の和:510

約数の個数: 48

約数和(自身を含む): 520633344

約数和(自身を除く): 240213172

約数列:

[1, 2, 4, 31, 61, 62, 122, 124, 131, 244, 262, 283, 524, 566, 1132, 1891, 3782, 4061, 7564, 7991, 8122, 8773, 15982, 16244, 17263, 17546, 31964, 34526, 35092, 37073, 69052, 74146, 148292, 247721, 495442, 535153, 990884, 1070306, 1149263, 2140612, 2261453, 2298526, 4522906, 4597052, 9045812, 70105043, 140210086, 280420172]

約数ペア:

[(1, 280420172), (2, 140210086), (4, 70105043), (31, 9045812), (61, 4597052), (62, 4522906), (122, 2298526), (124, 2261453), (131, 2140612), (244, 1149263), (262, 1070306), (283, 990884), (524, 535153), (566, 495442), (1132, 247721), (1891, 148292), (3782, 74146), (4061, 69052), (7564, 37073), (7991, 35092), (8122, 34526), (8773, 31964), (15982, 17546), (16244, 17263)]