251189125

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:211

約数の個数: 64

約数和(自身を含む): 362299392

約数和(自身を除く): 111110267

約数列:

[1, 5, 11, 25, 31, 55, 71, 83, 125, 155, 275, 341, 355, 415, 775, 781, 913, 1375, 1705, 1775, 2075, 2201, 2573, 3875, 3905, 4565, 5893, 8525, 8875, 10375, 11005, 12865, 19525, 22825, 24211, 28303, 29465, 42625, 55025, 64325, 64823, 97625, 114125, 121055, 141515, 147325, 182683, 275125, 321625, 324115, 605275, 707575, 736625, 913415, 1620575, 2009513, 3026375, 3537875, 4567075, 8102875, 10047565, 22835375, 50237825, 251189125]

約数ペア:

[(1, 251189125), (5, 50237825), (11, 22835375), (25, 10047565), (31, 8102875), (55, 4567075), (71, 3537875), (83, 3026375), (125, 2009513), (155, 1620575), (275, 913415), (341, 736625), (355, 707575), (415, 605275), (775, 324115), (781, 321625), (913, 275125), (1375, 182683), (1705, 147325), (1775, 141515), (2075, 121055), (2201, 114125), (2573, 97625), (3875, 64823), (3905, 64325), (4565, 55025), (5893, 42625), (8525, 29465), (8875, 28303), (10375, 24211), (11005, 22825), (12865, 19525)]