1748202340

素因数分解:

$2^2\times 5^1\times {\mathrm{1987}}^1\times {\mathrm{43991}}^1$

素因数の和:45987

約数の個数: 24

約数和(自身を含む): 3673156032

約数和(自身を除く): 1924953692

約数列:

[1, 2, 4, 5, 10, 20, 1987, 3974, 7948, 9935, 19870, 39740, 43991, 87982, 175964, 219955, 439910, 879820, 87410117, 174820234, 349640468, 437050585, 874101170, 1748202340]

約数ペア:

[(1, 1748202340), (2, 874101170), (4, 437050585), (5, 349640468), (10, 174820234), (20, 87410117), (1987, 879820), (3974, 439910), (7948, 219955), (9935, 175964), (19870, 87982), (39740, 43991)]