1108240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1979}}^1$

素因数の和:1999

約数の個数: 40

約数和(自身を含む): 2946240

約数和(自身を除く): 1838000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1979, 3958, 7916, 9895, 13853, 15832, 19790, 27706, 31664, 39580, 55412, 69265, 79160, 110824, 138530, 158320, 221648, 277060, 554120, 1108240]

約数ペア:

[(1, 1108240), (2, 554120), (4, 277060), (5, 221648), (7, 158320), (8, 138530), (10, 110824), (14, 79160), (16, 69265), (20, 55412), (28, 39580), (35, 31664), (40, 27706), (56, 19790), (70, 15832), (80, 13853), (112, 9895), (140, 7916), (280, 3958), (560, 1979)]