84835690

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1\times {\mathrm{479}}^1$

素因数の和:774

約数の個数: 32

約数和(自身を含む): 155520000

約数和(自身を除く): 70684310

約数列:

[1, 2, 5, 10, 89, 178, 199, 398, 445, 479, 890, 958, 995, 1990, 2395, 4790, 17711, 35422, 42631, 85262, 88555, 95321, 177110, 190642, 213155, 426310, 476605, 953210, 8483569, 16967138, 42417845, 84835690]

約数ペア:

[(1, 84835690), (2, 42417845), (5, 16967138), (10, 8483569), (89, 953210), (178, 476605), (199, 426310), (398, 213155), (445, 190642), (479, 177110), (890, 95321), (958, 88555), (995, 85262), (1990, 42631), (2395, 35422), (4790, 17711)]