78276940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{2897}}^1$

素因数の和:3106

約数の個数: 48

約数和(自身を含む): 188903232

約数和(自身を除く): 110626292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 193, 386, 772, 965, 1351, 1930, 2702, 2897, 3860, 5404, 5794, 6755, 11588, 13510, 14485, 20279, 27020, 28970, 40558, 57940, 81116, 101395, 202790, 405580, 559121, 1118242, 2236484, 2795605, 3913847, 5591210, 7827694, 11182420, 15655388, 19569235, 39138470, 78276940]

約数ペア:

[(1, 78276940), (2, 39138470), (4, 19569235), (5, 15655388), (7, 11182420), (10, 7827694), (14, 5591210), (20, 3913847), (28, 2795605), (35, 2236484), (70, 1118242), (140, 559121), (193, 405580), (386, 202790), (772, 101395), (965, 81116), (1351, 57940), (1930, 40558), (2702, 28970), (2897, 27020), (3860, 20279), (5404, 14485), (5794, 13510), (6755, 11588)]