2100029125

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{449}}^1$

素因数の和:583

約数の個数: 64

約数和(自身を含む): 2911334400

約数和(自身を除く): 811305275

約数列:

[1, 5, 17, 25, 31, 71, 85, 125, 155, 355, 425, 449, 527, 775, 1207, 1775, 2125, 2201, 2245, 2635, 3875, 6035, 7633, 8875, 11005, 11225, 13175, 13919, 30175, 31879, 37417, 38165, 55025, 56125, 65875, 69595, 150875, 159395, 187085, 190825, 236623, 275125, 347975, 541943, 796975, 935425, 954125, 988249, 1183115, 1739875, 2709715, 3984875, 4677125, 4941245, 5915575, 13548575, 16800233, 24706225, 29577875, 67742875, 84001165, 123531125, 420005825, 2100029125]

約数ペア:

[(1, 2100029125), (5, 420005825), (17, 123531125), (25, 84001165), (31, 67742875), (71, 29577875), (85, 24706225), (125, 16800233), (155, 13548575), (355, 5915575), (425, 4941245), (449, 4677125), (527, 3984875), (775, 2709715), (1207, 1739875), (1775, 1183115), (2125, 988249), (2201, 954125), (2245, 935425), (2635, 796975), (3875, 541943), (6035, 347975), (7633, 275125), (8875, 236623), (11005, 190825), (11225, 187085), (13175, 159395), (13919, 150875), (30175, 69595), (31879, 65875), (37417, 56125), (38165, 55025)]