281199776

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:239

約数の個数: 144

約数和(自身を含む): 680672160

約数和(自身を除く): 399472384

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 29, 32, 44, 52, 58, 88, 104, 116, 143, 163, 169, 176, 208, 232, 286, 319, 326, 338, 352, 377, 416, 464, 572, 638, 652, 676, 754, 928, 1144, 1276, 1304, 1352, 1508, 1793, 1859, 2119, 2288, 2552, 2608, 2704, 3016, 3586, 3718, 4147, 4238, 4576, 4727, 4901, 5104, 5216, 5408, 6032, 7172, 7436, 8294, 8476, 9454, 9802, 10208, 12064, 14344, 14872, 16588, 16952, 18908, 19604, 23309, 27547, 28688, 29744, 33176, 33904, 37816, 39208, 46618, 51997, 53911, 55094, 57376, 59488, 61451, 66352, 67808, 75632, 78416, 93236, 103994, 107822, 110188, 122902, 132704, 151264, 156832, 186472, 207988, 215644, 220376, 245804, 303017, 372944, 415976, 431288, 440752, 491608, 606034, 675961, 745888, 798863, 831952, 862576, 881504, 983216, 1212068, 1351922, 1597726, 1663904, 1725152, 1966432, 2424136, 2703844, 3195452, 4848272, 5407688, 6390904, 8787493, 9696544, 10815376, 12781808, 17574986, 21630752, 25563616, 35149972, 70299944, 140599888, 281199776]

約数ペア:

[(1, 281199776), (2, 140599888), (4, 70299944), (8, 35149972), (11, 25563616), (13, 21630752), (16, 17574986), (22, 12781808), (26, 10815376), (29, 9696544), (32, 8787493), (44, 6390904), (52, 5407688), (58, 4848272), (88, 3195452), (104, 2703844), (116, 2424136), (143, 1966432), (163, 1725152), (169, 1663904), (176, 1597726), (208, 1351922), (232, 1212068), (286, 983216), (319, 881504), (326, 862576), (338, 831952), (352, 798863), (377, 745888), (416, 675961), (464, 606034), (572, 491608), (638, 440752), (652, 431288), (676, 415976), (754, 372944), (928, 303017), (1144, 245804), (1276, 220376), (1304, 215644), (1352, 207988), (1508, 186472), (1793, 156832), (1859, 151264), (2119, 132704), (2288, 122902), (2552, 110188), (2608, 107822), (2704, 103994), (3016, 93236), (3586, 78416), (3718, 75632), (4147, 67808), (4238, 66352), (4576, 61451), (4727, 59488), (4901, 57376), (5104, 55094), (5216, 53911), (5408, 51997), (6032, 46618), (7172, 39208), (7436, 37816), (8294, 33904), (8476, 33176), (9454, 29744), (9802, 28688), (10208, 27547), (12064, 23309), (14344, 19604), (14872, 18908), (16588, 16952)]