256510360120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{916108429}}^1$

素因数の和:916108447

約数の個数: 32

約数和(自身を含む): 659598069600

約数和(自身を除く): 403087709480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 916108429, 1832216858, 3664433716, 4580542145, 6412759003, 7328867432, 9161084290, 12825518006, 18322168580, 25651036012, 32063795015, 36644337160, 51302072024, 64127590030, 128255180060, 256510360120]

約数ペア:

[(1, 256510360120), (2, 128255180060), (4, 64127590030), (5, 51302072024), (7, 36644337160), (8, 32063795015), (10, 25651036012), (14, 18322168580), (20, 12825518006), (28, 9161084290), (35, 7328867432), (40, 6412759003), (56, 4580542145), (70, 3664433716), (140, 1832216858), (280, 916108429)]