279759872

素因数分解:

$2^{10}\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1259}}^1$

素因数の和:1317

約数の個数: 88

約数和(自身を含む): 660280320

約数和(自身を除く): 380520448

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 256, 434, 448, 496, 512, 868, 896, 992, 1024, 1259, 1736, 1792, 1984, 2518, 3472, 3584, 3968, 5036, 6944, 7168, 7936, 8813, 10072, 13888, 15872, 17626, 20144, 27776, 31744, 35252, 39029, 40288, 55552, 70504, 78058, 80576, 111104, 141008, 156116, 161152, 222208, 273203, 282016, 312232, 322304, 546406, 564032, 624464, 644608, 1092812, 1128064, 1248928, 1289216, 2185624, 2256128, 2497856, 4371248, 4512256, 4995712, 8742496, 9024512, 9991424, 17484992, 19982848, 34969984, 39965696, 69939968, 139879936, 279759872]

約数ペア:

[(1, 279759872), (2, 139879936), (4, 69939968), (7, 39965696), (8, 34969984), (14, 19982848), (16, 17484992), (28, 9991424), (31, 9024512), (32, 8742496), (56, 4995712), (62, 4512256), (64, 4371248), (112, 2497856), (124, 2256128), (128, 2185624), (217, 1289216), (224, 1248928), (248, 1128064), (256, 1092812), (434, 644608), (448, 624464), (496, 564032), (512, 546406), (868, 322304), (896, 312232), (992, 282016), (1024, 273203), (1259, 222208), (1736, 161152), (1792, 156116), (1984, 141008), (2518, 111104), (3472, 80576), (3584, 78058), (3968, 70504), (5036, 55552), (6944, 40288), (7168, 39029), (7936, 35252), (8813, 31744), (10072, 27776), (13888, 20144), (15872, 17626)]