718913860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{47111}}^1$

素因数の和:47236

約数の個数: 48

約数和(自身を含む): 1741259520

約数和(自身を除く): 1022345660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1090, 1526, 2180, 3052, 3815, 7630, 15260, 47111, 94222, 188444, 235555, 329777, 471110, 659554, 942220, 1319108, 1648885, 3297770, 5135099, 6595540, 10270198, 20540396, 25675495, 35945693, 51350990, 71891386, 102701980, 143782772, 179728465, 359456930, 718913860]

約数ペア:

[(1, 718913860), (2, 359456930), (4, 179728465), (5, 143782772), (7, 102701980), (10, 71891386), (14, 51350990), (20, 35945693), (28, 25675495), (35, 20540396), (70, 10270198), (109, 6595540), (140, 5135099), (218, 3297770), (436, 1648885), (545, 1319108), (763, 942220), (1090, 659554), (1526, 471110), (2180, 329777), (3052, 235555), (3815, 188444), (7630, 94222), (15260, 47111)]