289968280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{337}}^1\times {\mathrm{439}}^1$

素因数の和:801

約数の個数: 96

約数和(自身を含む): 762933600

約数和(自身を除く): 472965320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 337, 392, 439, 490, 674, 878, 980, 1348, 1685, 1756, 1960, 2195, 2359, 2696, 3073, 3370, 3512, 4390, 4718, 6146, 6740, 8780, 9436, 11795, 12292, 13480, 15365, 16513, 17560, 18872, 21511, 23590, 24584, 30730, 33026, 43022, 47180, 61460, 66052, 82565, 86044, 94360, 107555, 122920, 132104, 147943, 165130, 172088, 215110, 295886, 330260, 430220, 591772, 660520, 739715, 860440, 1035601, 1183544, 1479430, 2071202, 2958860, 4142404, 5178005, 5917720, 7249207, 8284808, 10356010, 14498414, 20712020, 28996828, 36246035, 41424040, 57993656, 72492070, 144984140, 289968280]

約数ペア:

[(1, 289968280), (2, 144984140), (4, 72492070), (5, 57993656), (7, 41424040), (8, 36246035), (10, 28996828), (14, 20712020), (20, 14498414), (28, 10356010), (35, 8284808), (40, 7249207), (49, 5917720), (56, 5178005), (70, 4142404), (98, 2958860), (140, 2071202), (196, 1479430), (245, 1183544), (280, 1035601), (337, 860440), (392, 739715), (439, 660520), (490, 591772), (674, 430220), (878, 330260), (980, 295886), (1348, 215110), (1685, 172088), (1756, 165130), (1960, 147943), (2195, 132104), (2359, 122920), (2696, 107555), (3073, 94360), (3370, 86044), (3512, 82565), (4390, 66052), (4718, 61460), (6146, 47180), (6740, 43022), (8780, 33026), (9436, 30730), (11795, 24584), (12292, 23590), (13480, 21511), (15365, 18872), (16513, 17560)]