230769280

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{51511}}^1$

素因数の和:51537

約数の個数: 64

約数和(自身を含む): 630506880

約数和(自身を除く): 399737600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 51511, 103022, 206044, 257555, 360577, 412088, 515110, 721154, 824176, 1030220, 1442308, 1648352, 1802885, 2060440, 2884616, 3296704, 3605770, 4120880, 5769232, 6593408, 7211540, 8241760, 11538464, 14423080, 16483520, 23076928, 28846160, 32967040, 46153856, 57692320, 115384640, 230769280]

約数ペア:

[(1, 230769280), (2, 115384640), (4, 57692320), (5, 46153856), (7, 32967040), (8, 28846160), (10, 23076928), (14, 16483520), (16, 14423080), (20, 11538464), (28, 8241760), (32, 7211540), (35, 6593408), (40, 5769232), (56, 4120880), (64, 3605770), (70, 3296704), (80, 2884616), (112, 2060440), (128, 1802885), (140, 1648352), (160, 1442308), (224, 1030220), (280, 824176), (320, 721154), (448, 515110), (560, 412088), (640, 360577), (896, 257555), (1120, 206044), (2240, 103022), (4480, 51511)]