201800105

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{599}}^1$

素因数の和:761

約数の個数: 32

約数和(自身を含む): 268531200

約数和(自身を除く): 66731095

約数列:

[1, 5, 13, 65, 71, 73, 355, 365, 599, 923, 949, 2995, 4615, 4745, 5183, 7787, 25915, 38935, 42529, 43727, 67379, 212645, 218635, 336895, 552877, 568451, 2764385, 2842255, 3104617, 15523085, 40360021, 201800105]

約数ペア:

[(1, 201800105), (5, 40360021), (13, 15523085), (65, 3104617), (71, 2842255), (73, 2764385), (355, 568451), (365, 552877), (599, 336895), (923, 218635), (949, 212645), (2995, 67379), (4615, 43727), (4745, 42529), (5183, 38935), (7787, 25915)]