245810656

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:457

約数の個数: 144

約数和(自身を含む): 627419520

約数和(自身を除く): 381608864

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 49, 52, 56, 62, 91, 98, 104, 112, 124, 182, 196, 208, 217, 224, 248, 364, 389, 392, 403, 416, 434, 496, 637, 728, 778, 784, 806, 868, 992, 1274, 1456, 1519, 1556, 1568, 1612, 1736, 2548, 2723, 2821, 2912, 3038, 3112, 3224, 3472, 5057, 5096, 5446, 5642, 6076, 6224, 6448, 6944, 10114, 10192, 10892, 11284, 12059, 12152, 12448, 12896, 19061, 19747, 20228, 20384, 21784, 22568, 24118, 24304, 35399, 38122, 39494, 40456, 43568, 45136, 48236, 48608, 70798, 76244, 78988, 80912, 84413, 87136, 90272, 96472, 141596, 152488, 156767, 157976, 161824, 168826, 192944, 247793, 283192, 304976, 313534, 315952, 337652, 385888, 495586, 566384, 590891, 609952, 627068, 631904, 675304, 991172, 1097369, 1132768, 1181782, 1254136, 1350608, 1982344, 2194738, 2363564, 2508272, 2701216, 3964688, 4389476, 4727128, 5016544, 7681583, 7929376, 8778952, 9454256, 15363166, 17557904, 18908512, 30726332, 35115808, 61452664, 122905328, 245810656]

約数ペア:

[(1, 245810656), (2, 122905328), (4, 61452664), (7, 35115808), (8, 30726332), (13, 18908512), (14, 17557904), (16, 15363166), (26, 9454256), (28, 8778952), (31, 7929376), (32, 7681583), (49, 5016544), (52, 4727128), (56, 4389476), (62, 3964688), (91, 2701216), (98, 2508272), (104, 2363564), (112, 2194738), (124, 1982344), (182, 1350608), (196, 1254136), (208, 1181782), (217, 1132768), (224, 1097369), (248, 991172), (364, 675304), (389, 631904), (392, 627068), (403, 609952), (416, 590891), (434, 566384), (496, 495586), (637, 385888), (728, 337652), (778, 315952), (784, 313534), (806, 304976), (868, 283192), (992, 247793), (1274, 192944), (1456, 168826), (1519, 161824), (1556, 157976), (1568, 156767), (1612, 152488), (1736, 141596), (2548, 96472), (2723, 90272), (2821, 87136), (2912, 84413), (3038, 80912), (3112, 78988), (3224, 76244), (3472, 70798), (5057, 48608), (5096, 48236), (5446, 45136), (5642, 43568), (6076, 40456), (6224, 39494), (6448, 38122), (6944, 35399), (10114, 24304), (10192, 24118), (10892, 22568), (11284, 21784), (12059, 20384), (12152, 20228), (12448, 19747), (12896, 19061)]