163397180

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{220807}}^1$

素因数の和:220853

約数の個数: 24

約数和(自身を含む): 352409568

約数和(自身を除く): 189012388

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 220807, 441614, 883228, 1104035, 2208070, 4416140, 8169859, 16339718, 32679436, 40849295, 81698590, 163397180]

約数ペア:

[(1, 163397180), (2, 81698590), (4, 40849295), (5, 32679436), (10, 16339718), (20, 8169859), (37, 4416140), (74, 2208070), (148, 1104035), (185, 883228), (370, 441614), (740, 220807)]