398140288

素因数分解:

$2^7\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:317

約数の個数: 192

約数和(自身を含む): 1050008400

約数和(自身を除く): 651868112

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 32, 38, 49, 52, 56, 64, 76, 91, 98, 104, 112, 128, 133, 152, 182, 196, 208, 224, 247, 257, 266, 304, 364, 392, 416, 448, 494, 514, 532, 608, 637, 728, 784, 832, 896, 931, 988, 1028, 1064, 1216, 1274, 1456, 1568, 1664, 1729, 1799, 1862, 1976, 2056, 2128, 2432, 2548, 2912, 3136, 3341, 3458, 3598, 3724, 3952, 4112, 4256, 4883, 5096, 5824, 6272, 6682, 6916, 7196, 7448, 7904, 8224, 8512, 9766, 10192, 11648, 12103, 12593, 13364, 13832, 14392, 14896, 15808, 16448, 17024, 19532, 20384, 23387, 24206, 25186, 26728, 27664, 28784, 29792, 31616, 32896, 34181, 39064, 40768, 46774, 48412, 50372, 53456, 55328, 57568, 59584, 63479, 68362, 78128, 81536, 93548, 96824, 100744, 106912, 110656, 115136, 119168, 126958, 136724, 156256, 163709, 187096, 193648, 201488, 213824, 221312, 230272, 239267, 253916, 273448, 312512, 327418, 374192, 387296, 402976, 427648, 444353, 478534, 507832, 546896, 625024, 654836, 748384, 774592, 805952, 888706, 957068, 1015664, 1093792, 1309672, 1496768, 1549184, 1611904, 1777412, 1914136, 2031328, 2187584, 2619344, 2993536, 3110471, 3554824, 3828272, 4062656, 4375168, 5238688, 6220942, 7109648, 7656544, 8125312, 10477376, 12441884, 14219296, 15313088, 20954752, 24883768, 28438592, 30626176, 49767536, 56877184, 99535072, 199070144, 398140288]

約数ペア:

[(1, 398140288), (2, 199070144), (4, 99535072), (7, 56877184), (8, 49767536), (13, 30626176), (14, 28438592), (16, 24883768), (19, 20954752), (26, 15313088), (28, 14219296), (32, 12441884), (38, 10477376), (49, 8125312), (52, 7656544), (56, 7109648), (64, 6220942), (76, 5238688), (91, 4375168), (98, 4062656), (104, 3828272), (112, 3554824), (128, 3110471), (133, 2993536), (152, 2619344), (182, 2187584), (196, 2031328), (208, 1914136), (224, 1777412), (247, 1611904), (257, 1549184), (266, 1496768), (304, 1309672), (364, 1093792), (392, 1015664), (416, 957068), (448, 888706), (494, 805952), (514, 774592), (532, 748384), (608, 654836), (637, 625024), (728, 546896), (784, 507832), (832, 478534), (896, 444353), (931, 427648), (988, 402976), (1028, 387296), (1064, 374192), (1216, 327418), (1274, 312512), (1456, 273448), (1568, 253916), (1664, 239267), (1729, 230272), (1799, 221312), (1862, 213824), (1976, 201488), (2056, 193648), (2128, 187096), (2432, 163709), (2548, 156256), (2912, 136724), (3136, 126958), (3341, 119168), (3458, 115136), (3598, 110656), (3724, 106912), (3952, 100744), (4112, 96824), (4256, 93548), (4883, 81536), (5096, 78128), (5824, 68362), (6272, 63479), (6682, 59584), (6916, 57568), (7196, 55328), (7448, 53456), (7904, 50372), (8224, 48412), (8512, 46774), (9766, 40768), (10192, 39064), (11648, 34181), (12103, 32896), (12593, 31616), (13364, 29792), (13832, 28784), (14392, 27664), (14896, 26728), (15808, 25186), (16448, 24206), (17024, 23387), (19532, 20384)]