201923120

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{51511}}^1$

素因数の和:51538

約数の個数: 60

約数和(自身を含む): 546130224

約数和(自身を除く): 344207104

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, 51511, 103022, 206044, 257555, 360577, 412088, 515110, 721154, 824176, 1030220, 1442308, 1802885, 2060440, 2524039, 2884616, 3605770, 4120880, 5048078, 5769232, 7211540, 10096156, 12620195, 14423080, 20192312, 25240390, 28846160, 40384624, 50480780, 100961560, 201923120]

約数ペア:

[(1, 201923120), (2, 100961560), (4, 50480780), (5, 40384624), (7, 28846160), (8, 25240390), (10, 20192312), (14, 14423080), (16, 12620195), (20, 10096156), (28, 7211540), (35, 5769232), (40, 5048078), (49, 4120880), (56, 3605770), (70, 2884616), (80, 2524039), (98, 2060440), (112, 1802885), (140, 1442308), (196, 1030220), (245, 824176), (280, 721154), (392, 515110), (490, 412088), (560, 360577), (784, 257555), (980, 206044), (1960, 103022), (3920, 51511)]