940804912

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{71971}}^1$

素因数の和:72041

約数の個数: 40

約数和(自身を含む): 1963396160

約数和(自身を除く): 1022591248

約数列:

[1, 2, 4, 8, 16, 19, 38, 43, 76, 86, 152, 172, 304, 344, 688, 817, 1634, 3268, 6536, 13072, 71971, 143942, 287884, 575768, 1151536, 1367449, 2734898, 3094753, 5469796, 6189506, 10939592, 12379012, 21879184, 24758024, 49516048, 58800307, 117600614, 235201228, 470402456, 940804912]

約数ペア:

[(1, 940804912), (2, 470402456), (4, 235201228), (8, 117600614), (16, 58800307), (19, 49516048), (38, 24758024), (43, 21879184), (76, 12379012), (86, 10939592), (152, 6189506), (172, 5469796), (304, 3094753), (344, 2734898), (688, 1367449), (817, 1151536), (1634, 575768), (3268, 287884), (6536, 143942), (13072, 71971)]