279343232

素因数分解:

$2^7\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:254

約数の個数: 128

約数和(自身を含む): 669772800

約数和(自身を除く): 390429568

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 89, 112, 113, 124, 128, 178, 217, 224, 226, 248, 356, 434, 448, 452, 496, 623, 712, 791, 868, 896, 904, 992, 1246, 1424, 1582, 1736, 1808, 1984, 2492, 2759, 2848, 3164, 3472, 3503, 3616, 3968, 4984, 5518, 5696, 6328, 6944, 7006, 7232, 9968, 10057, 11036, 11392, 12656, 13888, 14012, 14464, 19313, 19936, 20114, 22072, 24521, 25312, 27776, 28024, 38626, 39872, 40228, 44144, 49042, 50624, 56048, 70399, 77252, 79744, 80456, 88288, 98084, 101248, 112096, 140798, 154504, 160912, 176576, 196168, 224192, 281596, 309008, 311767, 321824, 353152, 392336, 448384, 563192, 618016, 623534, 643648, 784672, 1126384, 1236032, 1247068, 1287296, 1569344, 2182369, 2252768, 2472064, 2494136, 3138688, 4364738, 4505536, 4988272, 8729476, 9011072, 9976544, 17458952, 19953088, 34917904, 39906176, 69835808, 139671616, 279343232]

約数ペア:

[(1, 279343232), (2, 139671616), (4, 69835808), (7, 39906176), (8, 34917904), (14, 19953088), (16, 17458952), (28, 9976544), (31, 9011072), (32, 8729476), (56, 4988272), (62, 4505536), (64, 4364738), (89, 3138688), (112, 2494136), (113, 2472064), (124, 2252768), (128, 2182369), (178, 1569344), (217, 1287296), (224, 1247068), (226, 1236032), (248, 1126384), (356, 784672), (434, 643648), (448, 623534), (452, 618016), (496, 563192), (623, 448384), (712, 392336), (791, 353152), (868, 321824), (896, 311767), (904, 309008), (992, 281596), (1246, 224192), (1424, 196168), (1582, 176576), (1736, 160912), (1808, 154504), (1984, 140798), (2492, 112096), (2759, 101248), (2848, 98084), (3164, 88288), (3472, 80456), (3503, 79744), (3616, 77252), (3968, 70399), (4984, 56048), (5518, 50624), (5696, 49042), (6328, 44144), (6944, 40228), (7006, 39872), (7232, 38626), (9968, 28024), (10057, 27776), (11036, 25312), (11392, 24521), (12656, 22072), (13888, 20114), (14012, 19936), (14464, 19313)]