156900980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{182443}}^1$

素因数の和:182495

約数の個数: 24

約数和(自身を含む): 337156512

約数和(自身を除く): 180255532

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 182443, 364886, 729772, 912215, 1824430, 3648860, 7845049, 15690098, 31380196, 39225245, 78450490, 156900980]

約数ペア:

[(1, 156900980), (2, 78450490), (4, 39225245), (5, 31380196), (10, 15690098), (20, 7845049), (43, 3648860), (86, 1824430), (172, 912215), (215, 729772), (430, 364886), (860, 182443)]