287746720

素因数分解:

$2^5\times 5^1\times {\mathrm{467}}^1\times {\mathrm{3851}}^1$

素因数の和:4333

約数の個数: 48

約数和(自身を含む): 681434208

約数和(自身を除く): 393687488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 467, 934, 1868, 2335, 3736, 3851, 4670, 7472, 7702, 9340, 14944, 15404, 18680, 19255, 30808, 37360, 38510, 61616, 74720, 77020, 123232, 154040, 308080, 616160, 1798417, 3596834, 7193668, 8992085, 14387336, 17984170, 28774672, 35968340, 57549344, 71936680, 143873360, 287746720]

約数ペア:

[(1, 287746720), (2, 143873360), (4, 71936680), (5, 57549344), (8, 35968340), (10, 28774672), (16, 17984170), (20, 14387336), (32, 8992085), (40, 7193668), (80, 3596834), (160, 1798417), (467, 616160), (934, 308080), (1868, 154040), (2335, 123232), (3736, 77020), (3851, 74720), (4670, 61616), (7472, 38510), (7702, 37360), (9340, 30808), (14944, 19255), (15404, 18680)]