28702960

素因数分解:

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

素因数の和:243

約数の個数: 120

約数和(自身を含む): 79240464

約数和(自身を除く): 50537504

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, 169, 176, 193, 208, 220, 260, 286, 338, 386, 440, 520, 572, 676, 715, 772, 845, 880, 965, 1040, 1144, 1352, 1430, 1544, 1690, 1859, 1930, 2123, 2288, 2509, 2704, 2860, 3088, 3380, 3718, 3860, 4246, 5018, 5720, 6760, 7436, 7720, 8492, 9295, 10036, 10615, 11440, 12545, 13520, 14872, 15440, 16984, 18590, 20072, 21230, 25090, 27599, 29744, 32617, 33968, 37180, 40144, 42460, 50180, 55198, 65234, 74360, 84920, 100360, 110396, 130468, 137995, 148720, 163085, 169840, 200720, 220792, 260936, 275990, 326170, 358787, 441584, 521872, 551980, 652340, 717574, 1103960, 1304680, 1435148, 1793935, 2207920, 2609360, 2870296, 3587870, 5740592, 7175740, 14351480, 28702960]

約数ペア:

[(1, 28702960), (2, 14351480), (4, 7175740), (5, 5740592), (8, 3587870), (10, 2870296), (11, 2609360), (13, 2207920), (16, 1793935), (20, 1435148), (22, 1304680), (26, 1103960), (40, 717574), (44, 652340), (52, 551980), (55, 521872), (65, 441584), (80, 358787), (88, 326170), (104, 275990), (110, 260936), (130, 220792), (143, 200720), (169, 169840), (176, 163085), (193, 148720), (208, 137995), (220, 130468), (260, 110396), (286, 100360), (338, 84920), (386, 74360), (440, 65234), (520, 55198), (572, 50180), (676, 42460), (715, 40144), (772, 37180), (845, 33968), (880, 32617), (965, 29744), (1040, 27599), (1144, 25090), (1352, 21230), (1430, 20072), (1544, 18590), (1690, 16984), (1859, 15440), (1930, 14872), (2123, 13520), (2288, 12545), (2509, 11440), (2704, 10615), (2860, 10036), (3088, 9295), (3380, 8492), (3718, 7720), (3860, 7436), (4246, 6760), (5018, 5720)]