78838060

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{80447}}^1$

素因数の和:80470

約数の個数: 36

約数和(自身を含む): 192592512

約数和(自身を除く): 113754452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 80447, 160894, 321788, 402235, 563129, 804470, 1126258, 1608940, 2252516, 2815645, 3941903, 5631290, 7883806, 11262580, 15767612, 19709515, 39419030, 78838060]

約数ペア:

[(1, 78838060), (2, 39419030), (4, 19709515), (5, 15767612), (7, 11262580), (10, 7883806), (14, 5631290), (20, 3941903), (28, 2815645), (35, 2252516), (49, 1608940), (70, 1126258), (98, 804470), (140, 563129), (196, 402235), (245, 321788), (490, 160894), (980, 80447)]