123455255

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2411}}^1$

素因数の和:2460

約数の個数: 48

約数和(自身を含む): 197976960

約数和(自身を除く): 74521705

約数列:

[1, 5, 7, 11, 19, 35, 49, 55, 77, 95, 133, 209, 245, 385, 539, 665, 931, 1045, 1463, 2411, 2695, 4655, 7315, 10241, 12055, 16877, 26521, 45809, 51205, 84385, 118139, 132605, 185647, 229045, 320663, 503899, 590695, 928235, 1299529, 1603315, 2244641, 2519495, 3527293, 6497645, 11223205, 17636465, 24691051, 123455255]

約数ペア:

[(1, 123455255), (5, 24691051), (7, 17636465), (11, 11223205), (19, 6497645), (35, 3527293), (49, 2519495), (55, 2244641), (77, 1603315), (95, 1299529), (133, 928235), (209, 590695), (245, 503899), (385, 320663), (539, 229045), (665, 185647), (931, 132605), (1045, 118139), (1463, 84385), (2411, 51205), (2695, 45809), (4655, 26521), (7315, 16877), (10241, 12055)]