215750680

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{114761}}^1$

素因数の和:114819

約数の個数: 32

約数和(自身を含む): 495771840

約数和(自身を除く): 280021160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 114761, 229522, 459044, 573805, 918088, 1147610, 2295220, 4590440, 5393767, 10787534, 21575068, 26968835, 43150136, 53937670, 107875340, 215750680]

約数ペア:

[(1, 215750680), (2, 107875340), (4, 53937670), (5, 43150136), (8, 26968835), (10, 21575068), (20, 10787534), (40, 5393767), (47, 4590440), (94, 2295220), (188, 1147610), (235, 918088), (376, 573805), (470, 459044), (940, 229522), (1880, 114761)]