28388660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{74707}}^1$

素因数の和:74735

約数の個数: 24

約数和(自身を含む): 62754720

約数和(自身を除く): 34366060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 74707, 149414, 298828, 373535, 747070, 1419433, 1494140, 2838866, 5677732, 7097165, 14194330, 28388660]

約数ペア:

[(1, 28388660), (2, 14194330), (4, 7097165), (5, 5677732), (10, 2838866), (19, 1494140), (20, 1419433), (38, 747070), (76, 373535), (95, 298828), (190, 149414), (380, 74707)]