84445870

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1\times {\mathrm{397}}^1$

素因数の和:732

約数の個数: 32

約数和(自身を含む): 154742400

約数和(自身を除く): 70296530

約数列:

[1, 2, 5, 10, 89, 178, 239, 397, 445, 478, 794, 890, 1195, 1985, 2390, 3970, 21271, 35333, 42542, 70666, 94883, 106355, 176665, 189766, 212710, 353330, 474415, 948830, 8444587, 16889174, 42222935, 84445870]

約数ペア:

[(1, 84445870), (2, 42222935), (5, 16889174), (10, 8444587), (89, 948830), (178, 474415), (239, 353330), (397, 212710), (445, 189766), (478, 176665), (794, 106355), (890, 94883), (1195, 70666), (1985, 42542), (2390, 35333), (3970, 21271)]