28083440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:175

約数の個数: 160

約数和(自身を含む): 83994624

約数和(自身を除く): 55911184

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 47, 55, 56, 70, 77, 80, 88, 94, 97, 110, 112, 140, 154, 176, 188, 194, 220, 235, 280, 308, 329, 376, 385, 388, 440, 470, 485, 517, 560, 616, 658, 679, 752, 770, 776, 880, 940, 970, 1034, 1067, 1232, 1316, 1358, 1540, 1552, 1645, 1880, 1940, 2068, 2134, 2585, 2632, 2716, 3080, 3290, 3395, 3619, 3760, 3880, 4136, 4268, 4559, 5170, 5264, 5335, 5432, 6160, 6580, 6790, 7238, 7469, 7760, 8272, 8536, 9118, 10340, 10670, 10864, 13160, 13580, 14476, 14938, 17072, 18095, 18236, 20680, 21340, 22795, 26320, 27160, 28952, 29876, 31913, 36190, 36472, 37345, 41360, 42680, 45590, 50149, 54320, 57904, 59752, 63826, 72380, 72944, 74690, 85360, 91180, 100298, 119504, 127652, 144760, 149380, 159565, 182360, 200596, 250745, 255304, 289520, 298760, 319130, 351043, 364720, 401192, 501490, 510608, 597520, 638260, 702086, 802384, 1002980, 1276520, 1404172, 1755215, 2005960, 2553040, 2808344, 3510430, 4011920, 5616688, 7020860, 14041720, 28083440]

約数ペア:

[(1, 28083440), (2, 14041720), (4, 7020860), (5, 5616688), (7, 4011920), (8, 3510430), (10, 2808344), (11, 2553040), (14, 2005960), (16, 1755215), (20, 1404172), (22, 1276520), (28, 1002980), (35, 802384), (40, 702086), (44, 638260), (47, 597520), (55, 510608), (56, 501490), (70, 401192), (77, 364720), (80, 351043), (88, 319130), (94, 298760), (97, 289520), (110, 255304), (112, 250745), (140, 200596), (154, 182360), (176, 159565), (188, 149380), (194, 144760), (220, 127652), (235, 119504), (280, 100298), (308, 91180), (329, 85360), (376, 74690), (385, 72944), (388, 72380), (440, 63826), (470, 59752), (485, 57904), (517, 54320), (560, 50149), (616, 45590), (658, 42680), (679, 41360), (752, 37345), (770, 36472), (776, 36190), (880, 31913), (940, 29876), (970, 28952), (1034, 27160), (1067, 26320), (1232, 22795), (1316, 21340), (1358, 20680), (1540, 18236), (1552, 18095), (1645, 17072), (1880, 14938), (1940, 14476), (2068, 13580), (2134, 13160), (2585, 10864), (2632, 10670), (2716, 10340), (3080, 9118), (3290, 8536), (3395, 8272), (3619, 7760), (3760, 7469), (3880, 7238), (4136, 6790), (4268, 6580), (4559, 6160), (5170, 5432), (5264, 5335)]