280838272

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{229}}^1$

素因数の和:334

約数の個数: 128

約数和(自身を含む): 670017600

約数和(自身を除く): 389179328

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 64, 67, 88, 104, 128, 134, 143, 176, 208, 229, 268, 286, 352, 416, 458, 536, 572, 704, 737, 832, 871, 916, 1072, 1144, 1408, 1474, 1664, 1742, 1832, 2144, 2288, 2519, 2948, 2977, 3484, 3664, 4288, 4576, 5038, 5896, 5954, 6968, 7328, 8576, 9152, 9581, 10076, 11792, 11908, 13936, 14656, 15343, 18304, 19162, 20152, 23584, 23816, 27872, 29312, 30686, 32747, 38324, 40304, 47168, 47632, 55744, 61372, 65494, 76648, 80608, 94336, 95264, 111488, 122744, 130988, 153296, 161216, 168773, 190528, 199459, 245488, 261976, 306592, 322432, 337546, 381056, 398918, 490976, 523952, 613184, 675092, 797836, 981952, 1047904, 1226368, 1350184, 1595672, 1963904, 2095808, 2194049, 2700368, 3191344, 4191616, 4388098, 5400736, 6382688, 8776196, 10801472, 12765376, 17552392, 21602944, 25530752, 35104784, 70209568, 140419136, 280838272]

約数ペア:

[(1, 280838272), (2, 140419136), (4, 70209568), (8, 35104784), (11, 25530752), (13, 21602944), (16, 17552392), (22, 12765376), (26, 10801472), (32, 8776196), (44, 6382688), (52, 5400736), (64, 4388098), (67, 4191616), (88, 3191344), (104, 2700368), (128, 2194049), (134, 2095808), (143, 1963904), (176, 1595672), (208, 1350184), (229, 1226368), (268, 1047904), (286, 981952), (352, 797836), (416, 675092), (458, 613184), (536, 523952), (572, 490976), (704, 398918), (737, 381056), (832, 337546), (871, 322432), (916, 306592), (1072, 261976), (1144, 245488), (1408, 199459), (1474, 190528), (1664, 168773), (1742, 161216), (1832, 153296), (2144, 130988), (2288, 122744), (2519, 111488), (2948, 95264), (2977, 94336), (3484, 80608), (3664, 76648), (4288, 65494), (4576, 61372), (5038, 55744), (5896, 47632), (5954, 47168), (6968, 40304), (7328, 38324), (8576, 32747), (9152, 30686), (9581, 29312), (10076, 27872), (11792, 23816), (11908, 23584), (13936, 20152), (14656, 19162), (15343, 18304)]