671110580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{12323}}^1$

素因数の和:12728

約数の個数: 48

約数和(自身を含む): 1614936960

約数和(自身を除く): 943826380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 389, 778, 1556, 1945, 2723, 3890, 5446, 7780, 10892, 12323, 13615, 24646, 27230, 49292, 54460, 61615, 86261, 123230, 172522, 246460, 345044, 431305, 862610, 1725220, 4793647, 9587294, 19174588, 23968235, 33555529, 47936470, 67111058, 95872940, 134222116, 167777645, 335555290, 671110580]

約数ペア:

[(1, 671110580), (2, 335555290), (4, 167777645), (5, 134222116), (7, 95872940), (10, 67111058), (14, 47936470), (20, 33555529), (28, 23968235), (35, 19174588), (70, 9587294), (140, 4793647), (389, 1725220), (778, 862610), (1556, 431305), (1945, 345044), (2723, 246460), (3890, 172522), (5446, 123230), (7780, 86261), (10892, 61615), (12323, 54460), (13615, 49292), (24646, 27230)]