199999680

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{208333}}^1$

素因数の和:208353

約数の個数: 56

約数和(自身を含む): 635002032

約数和(自身を除く): 435002352

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 208333, 416666, 624999, 833332, 1041665, 1249998, 1666664, 2083330, 2499996, 3124995, 3333328, 4166660, 4999992, 6249990, 6666656, 8333320, 9999984, 12499980, 13333312, 16666640, 19999968, 24999960, 33333280, 39999936, 49999920, 66666560, 99999840, 199999680]

約数ペア:

[(1, 199999680), (2, 99999840), (3, 66666560), (4, 49999920), (5, 39999936), (6, 33333280), (8, 24999960), (10, 19999968), (12, 16666640), (15, 13333312), (16, 12499980), (20, 9999984), (24, 8333320), (30, 6666656), (32, 6249990), (40, 4999992), (48, 4166660), (60, 3333328), (64, 3124995), (80, 2499996), (96, 2083330), (120, 1666664), (160, 1249998), (192, 1041665), (240, 833332), (320, 624999), (480, 416666), (960, 208333)]