205890260

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{106129}}^1$

素因数の和:106235

約数の個数: 24

約数和(自身を含む): 436831080

約数和(自身を除く): 230940820

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 106129, 212258, 424516, 530645, 1061290, 2122580, 10294513, 20589026, 41178052, 51472565, 102945130, 205890260]

約数ペア:

[(1, 205890260), (2, 102945130), (4, 51472565), (5, 41178052), (10, 20589026), (20, 10294513), (97, 2122580), (194, 1061290), (388, 530645), (485, 424516), (970, 212258), (1940, 106129)]