28933520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{61}}^1$

素因数の和:110

約数の個数: 180

約数和(自身を含む): 87424092

約数和(自身を除く): 58490572

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 49, 55, 56, 61, 70, 77, 80, 88, 98, 110, 112, 121, 122, 140, 154, 176, 196, 220, 242, 244, 245, 280, 305, 308, 385, 392, 427, 440, 484, 488, 490, 539, 560, 605, 610, 616, 671, 770, 784, 847, 854, 880, 968, 976, 980, 1078, 1210, 1220, 1232, 1342, 1540, 1694, 1708, 1936, 1960, 2135, 2156, 2420, 2440, 2684, 2695, 2989, 3080, 3355, 3388, 3416, 3920, 4235, 4270, 4312, 4697, 4840, 4880, 5368, 5390, 5929, 5978, 6160, 6710, 6776, 6832, 7381, 8470, 8540, 8624, 9394, 9680, 10736, 10780, 11858, 11956, 13420, 13552, 14762, 14945, 16940, 17080, 18788, 21560, 23485, 23716, 23912, 26840, 29524, 29645, 29890, 32879, 33880, 34160, 36905, 37576, 43120, 46970, 47432, 47824, 51667, 53680, 59048, 59290, 59780, 65758, 67760, 73810, 75152, 93940, 94864, 103334, 118096, 118580, 119560, 131516, 147620, 164395, 187880, 206668, 237160, 239120, 258335, 263032, 295240, 328790, 361669, 375760, 413336, 474320, 516670, 526064, 590480, 657580, 723338, 826672, 1033340, 1315160, 1446676, 1808345, 2066680, 2630320, 2893352, 3616690, 4133360, 5786704, 7233380, 14466760, 28933520]

約数ペア:

[(1, 28933520), (2, 14466760), (4, 7233380), (5, 5786704), (7, 4133360), (8, 3616690), (10, 2893352), (11, 2630320), (14, 2066680), (16, 1808345), (20, 1446676), (22, 1315160), (28, 1033340), (35, 826672), (40, 723338), (44, 657580), (49, 590480), (55, 526064), (56, 516670), (61, 474320), (70, 413336), (77, 375760), (80, 361669), (88, 328790), (98, 295240), (110, 263032), (112, 258335), (121, 239120), (122, 237160), (140, 206668), (154, 187880), (176, 164395), (196, 147620), (220, 131516), (242, 119560), (244, 118580), (245, 118096), (280, 103334), (305, 94864), (308, 93940), (385, 75152), (392, 73810), (427, 67760), (440, 65758), (484, 59780), (488, 59290), (490, 59048), (539, 53680), (560, 51667), (605, 47824), (610, 47432), (616, 46970), (671, 43120), (770, 37576), (784, 36905), (847, 34160), (854, 33880), (880, 32879), (968, 29890), (976, 29645), (980, 29524), (1078, 26840), (1210, 23912), (1220, 23716), (1232, 23485), (1342, 21560), (1540, 18788), (1694, 17080), (1708, 16940), (1936, 14945), (1960, 14762), (2135, 13552), (2156, 13420), (2420, 11956), (2440, 11858), (2684, 10780), (2695, 10736), (2989, 9680), (3080, 9394), (3355, 8624), (3388, 8540), (3416, 8470), (3920, 7381), (4235, 6832), (4270, 6776), (4312, 6710), (4697, 6160), (4840, 5978), (4880, 5929), (5368, 5390)]