814804790

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{449}}^1\times {\mathrm{2039}}^1$

素因数の和:2584

約数の個数: 32

約数和(自身を含む): 1487160000

約数和(自身を除く): 672355210

約数列:

[1, 2, 5, 10, 89, 178, 445, 449, 890, 898, 2039, 2245, 4078, 4490, 10195, 20390, 39961, 79922, 181471, 199805, 362942, 399610, 907355, 915511, 1814710, 1831022, 4577555, 9155110, 81480479, 162960958, 407402395, 814804790]

約数ペア:

[(1, 814804790), (2, 407402395), (5, 162960958), (10, 81480479), (89, 9155110), (178, 4577555), (445, 1831022), (449, 1814710), (890, 915511), (898, 907355), (2039, 399610), (2245, 362942), (4078, 199805), (4490, 181471), (10195, 79922), (20390, 39961)]