240772760

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{45949}}^1$

素因数の和:46091

約数の個数: 32

約数和(自身を含む): 545886000

約数和(自身を除く): 305113240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 45949, 91898, 183796, 229745, 367592, 459490, 918980, 1837960, 6019319, 12038638, 24077276, 30096595, 48154552, 60193190, 120386380, 240772760]

約数ペア:

[(1, 240772760), (2, 120386380), (4, 60193190), (5, 48154552), (8, 30096595), (10, 24077276), (20, 12038638), (40, 6019319), (131, 1837960), (262, 918980), (524, 459490), (655, 367592), (1048, 229745), (1310, 183796), (2620, 91898), (5240, 45949)]