311930360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1114037}}^1$

素因数の和:1114055

約数の個数: 32

約数和(自身を含む): 802107360

約数和(自身を除く): 490177000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1114037, 2228074, 4456148, 5570185, 7798259, 8912296, 11140370, 15596518, 22280740, 31193036, 38991295, 44561480, 62386072, 77982590, 155965180, 311930360]

約数ペア:

[(1, 311930360), (2, 155965180), (4, 77982590), (5, 62386072), (7, 44561480), (8, 38991295), (10, 31193036), (14, 22280740), (20, 15596518), (28, 11140370), (35, 8912296), (40, 7798259), (56, 5570185), (70, 4456148), (140, 2228074), (280, 1114037)]