449480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{661}}^1$

素因数の和:689

約数の個数: 32

約数和(自身を含む): 1072440

約数和(自身を除く): 622960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 661, 680, 1322, 2644, 3305, 5288, 6610, 11237, 13220, 22474, 26440, 44948, 56185, 89896, 112370, 224740, 449480]

約数ペア:

[(1, 449480), (2, 224740), (4, 112370), (5, 89896), (8, 56185), (10, 44948), (17, 26440), (20, 22474), (34, 13220), (40, 11237), (68, 6610), (85, 5288), (136, 3305), (170, 2644), (340, 1322), (661, 680)]