1259796860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{1285507}}^1$

素因数の和:1285530

約数の個数: 36

約数和(自身を含む): 3077506152

約数和(自身を除く): 1817709292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 1285507, 2571014, 5142028, 6427535, 8998549, 12855070, 17997098, 25710140, 35994196, 44992745, 62989843, 89985490, 125979686, 179970980, 251959372, 314949215, 629898430, 1259796860]

約数ペア:

[(1, 1259796860), (2, 629898430), (4, 314949215), (5, 251959372), (7, 179970980), (10, 125979686), (14, 89985490), (20, 62989843), (28, 44992745), (35, 35994196), (49, 25710140), (70, 17997098), (98, 12855070), (140, 8998549), (196, 6427535), (245, 5142028), (490, 2571014), (980, 1285507)]