388634512

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{1009}}^1$

素因数の和:1224

約数の個数: 80

約数和(自身を含む): 911747200

約数和(自身を除く): 523112688

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 181, 266, 304, 362, 532, 724, 1009, 1064, 1267, 1448, 2018, 2128, 2534, 2896, 3439, 4036, 5068, 6878, 7063, 8072, 10136, 13756, 14126, 16144, 19171, 20272, 24073, 27512, 28252, 38342, 48146, 55024, 56504, 76684, 96292, 113008, 134197, 153368, 182629, 192584, 268394, 306736, 365258, 385168, 536788, 730516, 1073576, 1278403, 1461032, 2147152, 2556806, 2922064, 3469951, 5113612, 6939902, 10227224, 13879804, 20454448, 24289657, 27759608, 48579314, 55519216, 97158628, 194317256, 388634512]

約数ペア:

[(1, 388634512), (2, 194317256), (4, 97158628), (7, 55519216), (8, 48579314), (14, 27759608), (16, 24289657), (19, 20454448), (28, 13879804), (38, 10227224), (56, 6939902), (76, 5113612), (112, 3469951), (133, 2922064), (152, 2556806), (181, 2147152), (266, 1461032), (304, 1278403), (362, 1073576), (532, 730516), (724, 536788), (1009, 385168), (1064, 365258), (1267, 306736), (1448, 268394), (2018, 192584), (2128, 182629), (2534, 153368), (2896, 134197), (3439, 113008), (4036, 96292), (5068, 76684), (6878, 56504), (7063, 55024), (8072, 48146), (10136, 38342), (13756, 28252), (14126, 27512), (16144, 24073), (19171, 20272)]