68880220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{1153}}^1$

素因数の和:1294

約数の個数: 48

約数和(自身を含む): 151220160

約数和(自身を除く): 82339940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 103, 116, 145, 206, 290, 412, 515, 580, 1030, 1153, 2060, 2306, 2987, 4612, 5765, 5974, 11530, 11948, 14935, 23060, 29870, 33437, 59740, 66874, 118759, 133748, 167185, 237518, 334370, 475036, 593795, 668740, 1187590, 2375180, 3444011, 6888022, 13776044, 17220055, 34440110, 68880220]

約数ペア:

[(1, 68880220), (2, 34440110), (4, 17220055), (5, 13776044), (10, 6888022), (20, 3444011), (29, 2375180), (58, 1187590), (103, 668740), (116, 593795), (145, 475036), (206, 334370), (290, 237518), (412, 167185), (515, 133748), (580, 118759), (1030, 66874), (1153, 59740), (2060, 33437), (2306, 29870), (2987, 23060), (4612, 14935), (5765, 11948), (5974, 11530)]