38376440

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1$

素因数の和:344

約数の個数: 64

約数和(自身を含む): 89424000

約数和(自身を除く): 51047560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 137, 149, 188, 235, 274, 298, 376, 470, 548, 596, 685, 745, 940, 1096, 1192, 1370, 1490, 1880, 2740, 2980, 5480, 5960, 6439, 7003, 12878, 14006, 20413, 25756, 28012, 32195, 35015, 40826, 51512, 56024, 64390, 70030, 81652, 102065, 128780, 140060, 163304, 204130, 257560, 280120, 408260, 816520, 959411, 1918822, 3837644, 4797055, 7675288, 9594110, 19188220, 38376440]

約数ペア:

[(1, 38376440), (2, 19188220), (4, 9594110), (5, 7675288), (8, 4797055), (10, 3837644), (20, 1918822), (40, 959411), (47, 816520), (94, 408260), (137, 280120), (149, 257560), (188, 204130), (235, 163304), (274, 140060), (298, 128780), (376, 102065), (470, 81652), (548, 70030), (596, 64390), (685, 56024), (745, 51512), (940, 40826), (1096, 35015), (1192, 32195), (1370, 28012), (1490, 25756), (1880, 20413), (2740, 14006), (2980, 12878), (5480, 7003), (5960, 6439)]