206838140

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{279511}}^1$

素因数の和:279557

約数の個数: 24

約数和(自身を含む): 446101152

約数和(自身を除く): 239263012

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 279511, 559022, 1118044, 1397555, 2795110, 5590220, 10341907, 20683814, 41367628, 51709535, 103419070, 206838140]

約数ペア:

[(1, 206838140), (2, 103419070), (4, 51709535), (5, 41367628), (10, 20683814), (20, 10341907), (37, 5590220), (74, 2795110), (148, 1397555), (185, 1118044), (370, 559022), (740, 279511)]