1281736190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{250829}}^1$

素因数の和:250916

約数の個数: 32

約数和(自身を含む): 2672844480

約数和(自身を除く): 1391108290

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 73, 146, 365, 511, 730, 1022, 2555, 5110, 250829, 501658, 1254145, 1755803, 2508290, 3511606, 8779015, 17558030, 18310517, 36621034, 91552585, 128173619, 183105170, 256347238, 640868095, 1281736190]

約数ペア:

[(1, 1281736190), (2, 640868095), (5, 256347238), (7, 183105170), (10, 128173619), (14, 91552585), (35, 36621034), (70, 18310517), (73, 17558030), (146, 8779015), (365, 3511606), (511, 2508290), (730, 1755803), (1022, 1254145), (2555, 501658), (5110, 250829)]