105420980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{753007}}^1$

素因数の和:753023

約数の個数: 24

約数和(自身を含む): 253010688

約数和(自身を除く): 147589708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 753007, 1506014, 3012028, 3765035, 5271049, 7530070, 10542098, 15060140, 21084196, 26355245, 52710490, 105420980]

約数ペア:

[(1, 105420980), (2, 52710490), (4, 26355245), (5, 21084196), (7, 15060140), (10, 10542098), (14, 7530070), (20, 5271049), (28, 3765035), (35, 3012028), (70, 1506014), (140, 753007)]