207980780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{7541}}^1$

素因数の和:7754

約数の個数: 48

約数和(自身を含む): 501754176

約数和(自身を除く): 293773396

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 394, 788, 985, 1379, 1970, 2758, 3940, 5516, 6895, 7541, 13790, 15082, 27580, 30164, 37705, 52787, 75410, 105574, 150820, 211148, 263935, 527870, 1055740, 1485577, 2971154, 5942308, 7427885, 10399039, 14855770, 20798078, 29711540, 41596156, 51995195, 103990390, 207980780]

約数ペア:

[(1, 207980780), (2, 103990390), (4, 51995195), (5, 41596156), (7, 29711540), (10, 20798078), (14, 14855770), (20, 10399039), (28, 7427885), (35, 5942308), (70, 2971154), (140, 1485577), (197, 1055740), (394, 527870), (788, 263935), (985, 211148), (1379, 150820), (1970, 105574), (2758, 75410), (3940, 52787), (5516, 37705), (6895, 30164), (7541, 27580), (13790, 15082)]