257897000

素因数分解:

$2^3\times 5^3\times {\mathrm{29}}^1\times {\mathrm{8893}}^1$

素因数の和:8943

約数の個数: 64

約数和(自身を含む): 624358800

約数和(自身を除く): 366461800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 58, 100, 116, 125, 145, 200, 232, 250, 290, 500, 580, 725, 1000, 1160, 1450, 2900, 3625, 5800, 7250, 8893, 14500, 17786, 29000, 35572, 44465, 71144, 88930, 177860, 222325, 257897, 355720, 444650, 515794, 889300, 1031588, 1111625, 1289485, 1778600, 2063176, 2223250, 2578970, 4446500, 5157940, 6447425, 8893000, 10315880, 12894850, 25789700, 32237125, 51579400, 64474250, 128948500, 257897000]

約数ペア:

[(1, 257897000), (2, 128948500), (4, 64474250), (5, 51579400), (8, 32237125), (10, 25789700), (20, 12894850), (25, 10315880), (29, 8893000), (40, 6447425), (50, 5157940), (58, 4446500), (100, 2578970), (116, 2223250), (125, 2063176), (145, 1778600), (200, 1289485), (232, 1111625), (250, 1031588), (290, 889300), (500, 515794), (580, 444650), (725, 355720), (1000, 257897), (1160, 222325), (1450, 177860), (2900, 88930), (3625, 71144), (5800, 44465), (7250, 35572), (8893, 29000), (14500, 17786)]