340736128

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1997}}^1$

素因数の和:2085

約数の個数: 64

約数和(自身を含む): 717361920

約数和(自身を除く): 376625792

約数列:

[1, 2, 4, 8, 16, 31, 32, 43, 62, 64, 86, 124, 128, 172, 248, 344, 496, 688, 992, 1333, 1376, 1984, 1997, 2666, 2752, 3968, 3994, 5332, 5504, 7988, 10664, 15976, 21328, 31952, 42656, 61907, 63904, 85312, 85871, 123814, 127808, 170624, 171742, 247628, 255616, 343484, 495256, 686968, 990512, 1373936, 1981024, 2662001, 2747872, 3962048, 5324002, 5495744, 7924096, 10648004, 10991488, 21296008, 42592016, 85184032, 170368064, 340736128]

約数ペア:

[(1, 340736128), (2, 170368064), (4, 85184032), (8, 42592016), (16, 21296008), (31, 10991488), (32, 10648004), (43, 7924096), (62, 5495744), (64, 5324002), (86, 3962048), (124, 2747872), (128, 2662001), (172, 1981024), (248, 1373936), (344, 990512), (496, 686968), (688, 495256), (992, 343484), (1333, 255616), (1376, 247628), (1984, 171742), (1997, 170624), (2666, 127808), (2752, 123814), (3968, 85871), (3994, 85312), (5332, 63904), (5504, 61907), (7988, 42656), (10664, 31952), (15976, 21328)]