7925781920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{20047}}^1$

素因数の和:20422

約数の個数: 96

約数和(自身を含む): 21461303808

約数和(自身を除く): 13535521888

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 353, 560, 706, 1120, 1412, 1765, 2471, 2824, 3530, 4942, 5648, 7060, 9884, 11296, 12355, 14120, 19768, 20047, 24710, 28240, 39536, 40094, 49420, 56480, 79072, 80188, 98840, 100235, 140329, 160376, 197680, 200470, 280658, 320752, 395360, 400940, 561316, 641504, 701645, 801880, 1122632, 1403290, 1603760, 2245264, 2806580, 3207520, 4490528, 5613160, 7076591, 11226320, 14153182, 22452640, 28306364, 35382955, 49536137, 56612728, 70765910, 99072274, 113225456, 141531820, 198144548, 226450912, 247680685, 283063640, 396289096, 495361370, 566127280, 792578192, 990722740, 1132254560, 1585156384, 1981445480, 3962890960, 7925781920]

約数ペア:

[(1, 7925781920), (2, 3962890960), (4, 1981445480), (5, 1585156384), (7, 1132254560), (8, 990722740), (10, 792578192), (14, 566127280), (16, 495361370), (20, 396289096), (28, 283063640), (32, 247680685), (35, 226450912), (40, 198144548), (56, 141531820), (70, 113225456), (80, 99072274), (112, 70765910), (140, 56612728), (160, 49536137), (224, 35382955), (280, 28306364), (353, 22452640), (560, 14153182), (706, 11226320), (1120, 7076591), (1412, 5613160), (1765, 4490528), (2471, 3207520), (2824, 2806580), (3530, 2245264), (4942, 1603760), (5648, 1403290), (7060, 1122632), (9884, 801880), (11296, 701645), (12355, 641504), (14120, 561316), (19768, 400940), (20047, 395360), (24710, 320752), (28240, 280658), (39536, 200470), (40094, 197680), (49420, 160376), (56480, 140329), (79072, 100235), (80188, 98840)]