187441640

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1\times {\mathrm{557}}^1$

素因数の和:794

約数の個数: 64

約数和(自身を含む): 433900800

約数和(自身を除く): 246459160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 179, 188, 235, 358, 376, 470, 557, 716, 895, 940, 1114, 1432, 1790, 1880, 2228, 2785, 3580, 4456, 5570, 7160, 8413, 11140, 16826, 22280, 26179, 33652, 42065, 52358, 67304, 84130, 99703, 104716, 130895, 168260, 199406, 209432, 261790, 336520, 398812, 498515, 523580, 797624, 997030, 1047160, 1994060, 3988120, 4686041, 9372082, 18744164, 23430205, 37488328, 46860410, 93720820, 187441640]

約数ペア:

[(1, 187441640), (2, 93720820), (4, 46860410), (5, 37488328), (8, 23430205), (10, 18744164), (20, 9372082), (40, 4686041), (47, 3988120), (94, 1994060), (179, 1047160), (188, 997030), (235, 797624), (358, 523580), (376, 498515), (470, 398812), (557, 336520), (716, 261790), (895, 209432), (940, 199406), (1114, 168260), (1432, 130895), (1790, 104716), (1880, 99703), (2228, 84130), (2785, 67304), (3580, 52358), (4456, 42065), (5570, 33652), (7160, 26179), (8413, 22280), (11140, 16826)]