2389280

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:261

約数の個数: 48

約数和(自身を含む): 5738040

約数和(自身を除く): 3348760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 137, 160, 218, 274, 436, 545, 548, 685, 872, 1090, 1096, 1370, 1744, 2180, 2192, 2740, 3488, 4360, 4384, 5480, 8720, 10960, 14933, 17440, 21920, 29866, 59732, 74665, 119464, 149330, 238928, 298660, 477856, 597320, 1194640, 2389280]

約数ペア:

[(1, 2389280), (2, 1194640), (4, 597320), (5, 477856), (8, 298660), (10, 238928), (16, 149330), (20, 119464), (32, 74665), (40, 59732), (80, 29866), (109, 21920), (137, 17440), (160, 14933), (218, 10960), (274, 8720), (436, 5480), (545, 4384), (548, 4360), (685, 3488), (872, 2740), (1090, 2192), (1096, 2180), (1370, 1744)]