1428280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{5101}}^1$

素因数の和:5119

約数の個数: 32

約数和(自身を含む): 3673440

約数和(自身を除く): 2245160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 5101, 10202, 20404, 25505, 35707, 40808, 51010, 71414, 102020, 142828, 178535, 204040, 285656, 357070, 714140, 1428280]

約数ペア:

[(1, 1428280), (2, 714140), (4, 357070), (5, 285656), (7, 204040), (8, 178535), (10, 142828), (14, 102020), (20, 71414), (28, 51010), (35, 40808), (40, 35707), (56, 25505), (70, 20404), (140, 10202), (280, 5101)]