208533820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{86171}}^1$

素因数の和:86202

約数の個数: 36

約数和(自身を含む): 481356792

約数和(自身を除く): 272822972

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 86171, 172342, 344684, 430855, 861710, 947881, 1723420, 1895762, 3791524, 4739405, 9478810, 10426691, 18957620, 20853382, 41706764, 52133455, 104266910, 208533820]

約数ペア:

[(1, 208533820), (2, 104266910), (4, 52133455), (5, 41706764), (10, 20853382), (11, 18957620), (20, 10426691), (22, 9478810), (44, 4739405), (55, 3791524), (110, 1895762), (121, 1723420), (220, 947881), (242, 861710), (484, 430855), (605, 344684), (1210, 172342), (2420, 86171)]