1259810020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{8998643}}^1$

素因数の和:8998659

約数の個数: 24

約数和(自身を含む): 3023544384

約数和(自身を除く): 1763734364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 8998643, 17997286, 35994572, 44993215, 62990501, 89986430, 125981002, 179972860, 251962004, 314952505, 629905010, 1259810020]

約数ペア:

[(1, 1259810020), (2, 629905010), (4, 314952505), (5, 251962004), (7, 179972860), (10, 125981002), (14, 89986430), (20, 62990501), (28, 44993215), (35, 35994572), (70, 17997286), (140, 8998643)]