28194320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1$

素因数の和:253

約数の個数: 160

約数和(自身を含む): 85708800

約数和(自身を除く): 57514480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 23, 28, 35, 40, 44, 46, 55, 56, 70, 77, 80, 88, 92, 110, 112, 115, 140, 154, 161, 176, 184, 199, 220, 230, 253, 280, 308, 322, 368, 385, 398, 440, 460, 506, 560, 616, 644, 770, 796, 805, 880, 920, 995, 1012, 1232, 1265, 1288, 1393, 1540, 1592, 1610, 1771, 1840, 1990, 2024, 2189, 2530, 2576, 2786, 3080, 3184, 3220, 3542, 3980, 4048, 4378, 4577, 5060, 5572, 6160, 6440, 6965, 7084, 7960, 8756, 8855, 9154, 10120, 10945, 11144, 12880, 13930, 14168, 15323, 15920, 17512, 17710, 18308, 20240, 21890, 22288, 22885, 27860, 28336, 30646, 32039, 35024, 35420, 36616, 43780, 45770, 50347, 55720, 61292, 64078, 70840, 73232, 76615, 87560, 91540, 100694, 111440, 122584, 128156, 141680, 153230, 160195, 175120, 183080, 201388, 245168, 251735, 256312, 306460, 320390, 352429, 366160, 402776, 503470, 512624, 612920, 640780, 704858, 805552, 1006940, 1225840, 1281560, 1409716, 1762145, 2013880, 2563120, 2819432, 3524290, 4027760, 5638864, 7048580, 14097160, 28194320]

約数ペア:

[(1, 28194320), (2, 14097160), (4, 7048580), (5, 5638864), (7, 4027760), (8, 3524290), (10, 2819432), (11, 2563120), (14, 2013880), (16, 1762145), (20, 1409716), (22, 1281560), (23, 1225840), (28, 1006940), (35, 805552), (40, 704858), (44, 640780), (46, 612920), (55, 512624), (56, 503470), (70, 402776), (77, 366160), (80, 352429), (88, 320390), (92, 306460), (110, 256312), (112, 251735), (115, 245168), (140, 201388), (154, 183080), (161, 175120), (176, 160195), (184, 153230), (199, 141680), (220, 128156), (230, 122584), (253, 111440), (280, 100694), (308, 91540), (322, 87560), (368, 76615), (385, 73232), (398, 70840), (440, 64078), (460, 61292), (506, 55720), (560, 50347), (616, 45770), (644, 43780), (770, 36616), (796, 35420), (805, 35024), (880, 32039), (920, 30646), (995, 28336), (1012, 27860), (1232, 22885), (1265, 22288), (1288, 21890), (1393, 20240), (1540, 18308), (1592, 17710), (1610, 17512), (1771, 15920), (1840, 15323), (1990, 14168), (2024, 13930), (2189, 12880), (2530, 11144), (2576, 10945), (2786, 10120), (3080, 9154), (3184, 8855), (3220, 8756), (3542, 7960), (3980, 7084), (4048, 6965), (4378, 6440), (4577, 6160), (5060, 5572)]