2049278840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{318211}}^1$

素因数の和:318252

約数の個数: 64

約数和(自身を含む): 5498703360

約数和(自身を除く): 3449424520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 318211, 636422, 1272844, 1591055, 2227477, 2545688, 3182110, 4454954, 6364220, 7318853, 8909908, 11137385, 12728440, 14637706, 17819816, 22274770, 29275412, 36594265, 44549540, 51231971, 58550824, 73188530, 89099080, 102463942, 146377060, 204927884, 256159855, 292754120, 409855768, 512319710, 1024639420, 2049278840]

約数ペア:

[(1, 2049278840), (2, 1024639420), (4, 512319710), (5, 409855768), (7, 292754120), (8, 256159855), (10, 204927884), (14, 146377060), (20, 102463942), (23, 89099080), (28, 73188530), (35, 58550824), (40, 51231971), (46, 44549540), (56, 36594265), (70, 29275412), (92, 22274770), (115, 17819816), (140, 14637706), (161, 12728440), (184, 11137385), (230, 8909908), (280, 7318853), (322, 6364220), (460, 4454954), (644, 3182110), (805, 2545688), (920, 2227477), (1288, 1591055), (1610, 1272844), (3220, 636422), (6440, 318211)]