7007860

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 15482880

約数和(自身を除く): 8475020

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 89, 124, 127, 155, 178, 254, 310, 356, 445, 508, 620, 635, 890, 1270, 1780, 2540, 2759, 3937, 5518, 7874, 11036, 11303, 13795, 15748, 19685, 22606, 27590, 39370, 45212, 55180, 56515, 78740, 113030, 226060, 350393, 700786, 1401572, 1751965, 3503930, 7007860]

約数ペア:

[(1, 7007860), (2, 3503930), (4, 1751965), (5, 1401572), (10, 700786), (20, 350393), (31, 226060), (62, 113030), (89, 78740), (124, 56515), (127, 55180), (155, 45212), (178, 39370), (254, 27590), (310, 22606), (356, 19685), (445, 15748), (508, 13795), (620, 11303), (635, 11036), (890, 7874), (1270, 5518), (1780, 3937), (2540, 2759)]