71821070

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1\times {\mathrm{499}}^1$

素因数の和:932

約数の個数: 32

約数和(自身を含む): 133380000

約数和(自身を除く): 61558930

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 389, 499, 778, 998, 1945, 2495, 3890, 4990, 14393, 18463, 28786, 36926, 71965, 92315, 143930, 184630, 194111, 388222, 970555, 1941110, 7182107, 14364214, 35910535, 71821070]

約数ペア:

[(1, 71821070), (2, 35910535), (5, 14364214), (10, 7182107), (37, 1941110), (74, 970555), (185, 388222), (370, 194111), (389, 184630), (499, 143930), (778, 92315), (998, 71965), (1945, 36926), (2495, 28786), (3890, 18463), (4990, 14393)]