929128520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{3943}}^1$

素因数の和:4134

約数の個数: 64

約数和(自身を含む): 2155317120

約数和(自身を除く): 1226188600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 137, 172, 215, 274, 344, 430, 548, 685, 860, 1096, 1370, 1720, 2740, 3943, 5480, 5891, 7886, 11782, 15772, 19715, 23564, 29455, 31544, 39430, 47128, 58910, 78860, 117820, 157720, 169549, 235640, 339098, 540191, 678196, 847745, 1080382, 1356392, 1695490, 2160764, 2700955, 3390980, 4321528, 5401910, 6781960, 10803820, 21607640, 23228213, 46456426, 92912852, 116141065, 185825704, 232282130, 464564260, 929128520]

約数ペア:

[(1, 929128520), (2, 464564260), (4, 232282130), (5, 185825704), (8, 116141065), (10, 92912852), (20, 46456426), (40, 23228213), (43, 21607640), (86, 10803820), (137, 6781960), (172, 5401910), (215, 4321528), (274, 3390980), (344, 2700955), (430, 2160764), (548, 1695490), (685, 1356392), (860, 1080382), (1096, 847745), (1370, 678196), (1720, 540191), (2740, 339098), (3943, 235640), (5480, 169549), (5891, 157720), (7886, 117820), (11782, 78860), (15772, 58910), (19715, 47128), (23564, 39430), (29455, 31544)]