2207920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1$

素因数の和:230

約数の個数: 80

約数和(自身を含む): 6062112

約数和(自身を除く): 3854192

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 193, 208, 220, 260, 286, 386, 440, 520, 572, 715, 772, 880, 965, 1040, 1144, 1430, 1544, 1930, 2123, 2288, 2509, 2860, 3088, 3860, 4246, 5018, 5720, 7720, 8492, 10036, 10615, 11440, 12545, 15440, 16984, 20072, 21230, 25090, 27599, 33968, 40144, 42460, 50180, 55198, 84920, 100360, 110396, 137995, 169840, 200720, 220792, 275990, 441584, 551980, 1103960, 2207920]

約数ペア:

[(1, 2207920), (2, 1103960), (4, 551980), (5, 441584), (8, 275990), (10, 220792), (11, 200720), (13, 169840), (16, 137995), (20, 110396), (22, 100360), (26, 84920), (40, 55198), (44, 50180), (52, 42460), (55, 40144), (65, 33968), (80, 27599), (88, 25090), (104, 21230), (110, 20072), (130, 16984), (143, 15440), (176, 12545), (193, 11440), (208, 10615), (220, 10036), (260, 8492), (286, 7720), (386, 5720), (440, 5018), (520, 4246), (572, 3860), (715, 3088), (772, 2860), (880, 2509), (965, 2288), (1040, 2123), (1144, 1930), (1430, 1544)]