258740980

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{120907}}^1$

素因数の和:121023

約数の個数: 24

約数和(自身を含む): 548438688

約数和(自身を除く): 289697708

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 120907, 241814, 483628, 604535, 1209070, 2418140, 12937049, 25874098, 51748196, 64685245, 129370490, 258740980]

約数ペア:

[(1, 258740980), (2, 129370490), (4, 64685245), (5, 51748196), (10, 25874098), (20, 12937049), (107, 2418140), (214, 1209070), (428, 604535), (535, 483628), (1070, 241814), (2140, 120907)]