393669920

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{337}}^1$

素因数の和:515

約数の個数: 144

約数和(自身を含む): 1092382200

約数和(自身を除く): 698712280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 149, 160, 196, 224, 245, 280, 298, 337, 392, 490, 560, 596, 674, 745, 784, 980, 1043, 1120, 1192, 1348, 1490, 1568, 1685, 1960, 2086, 2359, 2384, 2696, 2980, 3370, 3920, 4172, 4718, 4768, 5215, 5392, 5960, 6740, 7301, 7840, 8344, 9436, 10430, 10784, 11795, 11920, 13480, 14602, 16513, 16688, 18872, 20860, 23590, 23840, 26960, 29204, 33026, 33376, 36505, 37744, 41720, 47180, 50213, 53920, 58408, 66052, 73010, 75488, 82565, 83440, 94360, 100426, 116816, 132104, 146020, 165130, 166880, 188720, 200852, 233632, 251065, 264208, 292040, 330260, 351491, 377440, 401704, 502130, 528416, 584080, 660520, 702982, 803408, 1004260, 1168160, 1321040, 1405964, 1606816, 1757455, 2008520, 2460437, 2642080, 2811928, 3514910, 4017040, 4920874, 5623856, 7029820, 8034080, 9841748, 11247712, 12302185, 14059640, 19683496, 24604370, 28119280, 39366992, 49208740, 56238560, 78733984, 98417480, 196834960, 393669920]

約数ペア:

[(1, 393669920), (2, 196834960), (4, 98417480), (5, 78733984), (7, 56238560), (8, 49208740), (10, 39366992), (14, 28119280), (16, 24604370), (20, 19683496), (28, 14059640), (32, 12302185), (35, 11247712), (40, 9841748), (49, 8034080), (56, 7029820), (70, 5623856), (80, 4920874), (98, 4017040), (112, 3514910), (140, 2811928), (149, 2642080), (160, 2460437), (196, 2008520), (224, 1757455), (245, 1606816), (280, 1405964), (298, 1321040), (337, 1168160), (392, 1004260), (490, 803408), (560, 702982), (596, 660520), (674, 584080), (745, 528416), (784, 502130), (980, 401704), (1043, 377440), (1120, 351491), (1192, 330260), (1348, 292040), (1490, 264208), (1568, 251065), (1685, 233632), (1960, 200852), (2086, 188720), (2359, 166880), (2384, 165130), (2696, 146020), (2980, 132104), (3370, 116816), (3920, 100426), (4172, 94360), (4718, 83440), (4768, 82565), (5215, 75488), (5392, 73010), (5960, 66052), (6740, 58408), (7301, 53920), (7840, 50213), (8344, 47180), (9436, 41720), (10430, 37744), (10784, 36505), (11795, 33376), (11920, 33026), (13480, 29204), (14602, 26960), (16513, 23840), (16688, 23590), (18872, 20860)]