1217720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{4349}}^1$

素因数の和:4367

約数の個数: 32

約数和(自身を含む): 3132000

約数和(自身を除く): 1914280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 4349, 8698, 17396, 21745, 30443, 34792, 43490, 60886, 86980, 121772, 152215, 173960, 243544, 304430, 608860, 1217720]

約数ペア:

[(1, 1217720), (2, 608860), (4, 304430), (5, 243544), (7, 173960), (8, 152215), (10, 121772), (14, 86980), (20, 60886), (28, 43490), (35, 34792), (40, 30443), (56, 21745), (70, 17396), (140, 8698), (280, 4349)]