13943860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{727}}^1$

素因数の和:880

約数の個数: 48

約数和(自身を含む): 33755904

約数和(自身を除く): 19812044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 137, 140, 274, 548, 685, 727, 959, 1370, 1454, 1918, 2740, 2908, 3635, 3836, 4795, 5089, 7270, 9590, 10178, 14540, 19180, 20356, 25445, 50890, 99599, 101780, 199198, 398396, 497995, 697193, 995990, 1394386, 1991980, 2788772, 3485965, 6971930, 13943860]

約数ペア:

[(1, 13943860), (2, 6971930), (4, 3485965), (5, 2788772), (7, 1991980), (10, 1394386), (14, 995990), (20, 697193), (28, 497995), (35, 398396), (70, 199198), (137, 101780), (140, 99599), (274, 50890), (548, 25445), (685, 20356), (727, 19180), (959, 14540), (1370, 10178), (1454, 9590), (1918, 7270), (2740, 5089), (2908, 4795), (3635, 3836)]