38881780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{1439}}^1$

素因数の和:1648

約数の個数: 48

約数和(自身を含む): 93864960

約数和(自身を除く): 54983180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 193, 386, 772, 965, 1351, 1439, 1930, 2702, 2878, 3860, 5404, 5756, 6755, 7195, 10073, 13510, 14390, 20146, 27020, 28780, 40292, 50365, 100730, 201460, 277727, 555454, 1110908, 1388635, 1944089, 2777270, 3888178, 5554540, 7776356, 9720445, 19440890, 38881780]

約数ペア:

[(1, 38881780), (2, 19440890), (4, 9720445), (5, 7776356), (7, 5554540), (10, 3888178), (14, 2777270), (20, 1944089), (28, 1388635), (35, 1110908), (70, 555454), (140, 277727), (193, 201460), (386, 100730), (772, 50365), (965, 40292), (1351, 28780), (1439, 27020), (1930, 20146), (2702, 14390), (2878, 13510), (3860, 10073), (5404, 7195), (5756, 6755)]