2486660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 5806080

約数和(自身を除く): 3319420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 127, 178, 220, 254, 356, 445, 508, 635, 890, 979, 1270, 1397, 1780, 1958, 2540, 2794, 3916, 4895, 5588, 6985, 9790, 11303, 13970, 19580, 22606, 27940, 45212, 56515, 113030, 124333, 226060, 248666, 497332, 621665, 1243330, 2486660]

約数ペア:

[(1, 2486660), (2, 1243330), (4, 621665), (5, 497332), (10, 248666), (11, 226060), (20, 124333), (22, 113030), (44, 56515), (55, 45212), (89, 27940), (110, 22606), (127, 19580), (178, 13970), (220, 11303), (254, 9790), (356, 6985), (445, 5588), (508, 4895), (635, 3916), (890, 2794), (979, 2540), (1270, 1958), (1397, 1780)]