39406220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{709}}^1$

素因数の和:1122

約数の個数: 48

約数和(自身を含む): 94946880

約数和(自身を除く): 55540660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 397, 709, 794, 1418, 1588, 1985, 2779, 2836, 3545, 3970, 4963, 5558, 7090, 7940, 9926, 11116, 13895, 14180, 19852, 24815, 27790, 49630, 55580, 99260, 281473, 562946, 1125892, 1407365, 1970311, 2814730, 3940622, 5629460, 7881244, 9851555, 19703110, 39406220]

約数ペア:

[(1, 39406220), (2, 19703110), (4, 9851555), (5, 7881244), (7, 5629460), (10, 3940622), (14, 2814730), (20, 1970311), (28, 1407365), (35, 1125892), (70, 562946), (140, 281473), (397, 99260), (709, 55580), (794, 49630), (1418, 27790), (1588, 24815), (1985, 19852), (2779, 14180), (2836, 13895), (3545, 11116), (3970, 9926), (4963, 7940), (5558, 7090)]