172444720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{43991}}^1$

素因数の和:44018

約数の個数: 60

約数和(自身を含む): 466403184

約数和(自身を除く): 293958464

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 43991, 87982, 175964, 219955, 307937, 351928, 439910, 615874, 703856, 879820, 1231748, 1539685, 1759640, 2155559, 2463496, 3079370, 3519280, 4311118, 4926992, 6158740, 8622236, 10777795, 12317480, 17244472, 21555590, 24634960, 34488944, 43111180, 86222360, 172444720]

約数ペア:

[(1, 172444720), (2, 86222360), (4, 43111180), (5, 34488944), (7, 24634960), (8, 21555590), (10, 17244472), (14, 12317480), (16, 10777795), (20, 8622236), (28, 6158740), (35, 4926992), (40, 4311118), (49, 3519280), (56, 3079370), (70, 2463496), (80, 2155559), (98, 1759640), (112, 1539685), (140, 1231748), (196, 879820), (245, 703856), (280, 615874), (392, 439910), (490, 351928), (560, 307937), (784, 219955), (980, 175964), (1960, 87982), (3920, 43991)]