1266440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{4523}}^1$

素因数の和:4541

約数の個数: 32

約数和(自身を含む): 3257280

約数和(自身を除く): 1990840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 4523, 9046, 18092, 22615, 31661, 36184, 45230, 63322, 90460, 126644, 158305, 180920, 253288, 316610, 633220, 1266440]

約数ペア:

[(1, 1266440), (2, 633220), (4, 316610), (5, 253288), (7, 180920), (8, 158305), (10, 126644), (14, 90460), (20, 63322), (28, 45230), (35, 36184), (40, 31661), (56, 22615), (70, 18092), (140, 9046), (280, 4523)]