54915980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1759}}^1$

素因数の和:1998

約数の個数: 48

約数和(自身を含む): 132464640

約数和(自身を除く): 77548660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 223, 446, 892, 1115, 1561, 1759, 2230, 3122, 3518, 4460, 6244, 7036, 7805, 8795, 12313, 15610, 17590, 24626, 31220, 35180, 49252, 61565, 123130, 246260, 392257, 784514, 1569028, 1961285, 2745799, 3922570, 5491598, 7845140, 10983196, 13728995, 27457990, 54915980]

約数ペア:

[(1, 54915980), (2, 27457990), (4, 13728995), (5, 10983196), (7, 7845140), (10, 5491598), (14, 3922570), (20, 2745799), (28, 1961285), (35, 1569028), (70, 784514), (140, 392257), (223, 246260), (446, 123130), (892, 61565), (1115, 49252), (1561, 35180), (1759, 31220), (2230, 24626), (3122, 17590), (3518, 15610), (4460, 12313), (6244, 8795), (7036, 7805)]