280803568

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{313}}^1\times {\mathrm{1193}}^1$

素因数の和:1561

約数の個数: 40

約数和(自身を含む): 557875008

約数和(自身を除く): 277071440

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 313, 376, 626, 752, 1193, 1252, 2386, 2504, 4772, 5008, 9544, 14711, 19088, 29422, 56071, 58844, 112142, 117688, 224284, 235376, 373409, 448568, 746818, 897136, 1493636, 2987272, 5974544, 17550223, 35100446, 70200892, 140401784, 280803568]

約数ペア:

[(1, 280803568), (2, 140401784), (4, 70200892), (8, 35100446), (16, 17550223), (47, 5974544), (94, 2987272), (188, 1493636), (313, 897136), (376, 746818), (626, 448568), (752, 373409), (1193, 235376), (1252, 224284), (2386, 117688), (2504, 112142), (4772, 58844), (5008, 56071), (9544, 29422), (14711, 19088)]