2749156940

素因数分解:

$2^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{389399}}^1$

素因数の和:389761

約数の個数: 24

約数和(自身を含む): 5789599200

約数和(自身を除く): 3040442260

約数列:

[1, 2, 4, 5, 10, 20, 353, 706, 1412, 1765, 3530, 7060, 389399, 778798, 1557596, 1946995, 3893990, 7787980, 137457847, 274915694, 549831388, 687289235, 1374578470, 2749156940]

約数ペア:

[(1, 2749156940), (2, 1374578470), (4, 687289235), (5, 549831388), (10, 274915694), (20, 137457847), (353, 7787980), (706, 3893990), (1412, 1946995), (1765, 1557596), (3530, 778798), (7060, 389399)]