71289820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{4759}}^1$

素因数の和:4882

約数の個数: 48

約数和(自身を含む): 172730880

約数和(自身を除く): 101441060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 535, 749, 1070, 1498, 2140, 2996, 3745, 4759, 7490, 9518, 14980, 19036, 23795, 33313, 47590, 66626, 95180, 133252, 166565, 333130, 509213, 666260, 1018426, 2036852, 2546065, 3564491, 5092130, 7128982, 10184260, 14257964, 17822455, 35644910, 71289820]

約数ペア:

[(1, 71289820), (2, 35644910), (4, 17822455), (5, 14257964), (7, 10184260), (10, 7128982), (14, 5092130), (20, 3564491), (28, 2546065), (35, 2036852), (70, 1018426), (107, 666260), (140, 509213), (214, 333130), (428, 166565), (535, 133252), (749, 95180), (1070, 66626), (1498, 47590), (2140, 33313), (2996, 23795), (3745, 19036), (4759, 14980), (7490, 9518)]