38490620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1303}}^1$

素因数の和:1530

約数の個数: 48

約数和(自身を含む): 92886528

約数和(自身を除く): 54395908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 211, 422, 844, 1055, 1303, 1477, 2110, 2606, 2954, 4220, 5212, 5908, 6515, 7385, 9121, 13030, 14770, 18242, 26060, 29540, 36484, 45605, 91210, 182420, 274933, 549866, 1099732, 1374665, 1924531, 2749330, 3849062, 5498660, 7698124, 9622655, 19245310, 38490620]

約数ペア:

[(1, 38490620), (2, 19245310), (4, 9622655), (5, 7698124), (7, 5498660), (10, 3849062), (14, 2749330), (20, 1924531), (28, 1374665), (35, 1099732), (70, 549866), (140, 274933), (211, 182420), (422, 91210), (844, 45605), (1055, 36484), (1303, 29540), (1477, 26060), (2110, 18242), (2606, 14770), (2954, 13030), (4220, 9121), (5212, 7385), (5908, 6515)]