219663920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1759}}^1$

素因数の和:2002

約数の個数: 80

約数和(自身を含む): 586629120

約数和(自身を除く): 366965200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 223, 280, 446, 560, 892, 1115, 1561, 1759, 1784, 2230, 3122, 3518, 3568, 4460, 6244, 7036, 7805, 8795, 8920, 12313, 12488, 14072, 15610, 17590, 17840, 24626, 24976, 28144, 31220, 35180, 49252, 61565, 62440, 70360, 98504, 123130, 124880, 140720, 197008, 246260, 392257, 492520, 784514, 985040, 1569028, 1961285, 2745799, 3138056, 3922570, 5491598, 6276112, 7845140, 10983196, 13728995, 15690280, 21966392, 27457990, 31380560, 43932784, 54915980, 109831960, 219663920]

約数ペア:

[(1, 219663920), (2, 109831960), (4, 54915980), (5, 43932784), (7, 31380560), (8, 27457990), (10, 21966392), (14, 15690280), (16, 13728995), (20, 10983196), (28, 7845140), (35, 6276112), (40, 5491598), (56, 3922570), (70, 3138056), (80, 2745799), (112, 1961285), (140, 1569028), (223, 985040), (280, 784514), (446, 492520), (560, 392257), (892, 246260), (1115, 197008), (1561, 140720), (1759, 124880), (1784, 123130), (2230, 98504), (3122, 70360), (3518, 62440), (3568, 61565), (4460, 49252), (6244, 35180), (7036, 31220), (7805, 28144), (8795, 24976), (8920, 24626), (12313, 17840), (12488, 17590), (14072, 15610)]