970220

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{349}}^1$

素因数の和:497

約数の個数: 24

約数和(自身を含む): 2058000

約数和(自身を除く): 1087780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 349, 556, 695, 698, 1390, 1396, 1745, 2780, 3490, 6980, 48511, 97022, 194044, 242555, 485110, 970220]

約数ペア:

[(1, 970220), (2, 485110), (4, 242555), (5, 194044), (10, 97022), (20, 48511), (139, 6980), (278, 3490), (349, 2780), (556, 1745), (695, 1396), (698, 1390)]