138653080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{3607}}^1$

素因数の和:3680

約数の個数: 48

約数和(自身を含む): 322446960

約数和(自身を除く): 183793880

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 961, 1240, 1922, 3607, 3844, 4805, 7214, 7688, 9610, 14428, 18035, 19220, 28856, 36070, 38440, 72140, 111817, 144280, 223634, 447268, 559085, 894536, 1118170, 2236340, 3466327, 4472680, 6932654, 13865308, 17331635, 27730616, 34663270, 69326540, 138653080]

約数ペア:

[(1, 138653080), (2, 69326540), (4, 34663270), (5, 27730616), (8, 17331635), (10, 13865308), (20, 6932654), (31, 4472680), (40, 3466327), (62, 2236340), (124, 1118170), (155, 894536), (248, 559085), (310, 447268), (620, 223634), (961, 144280), (1240, 111817), (1922, 72140), (3607, 38440), (3844, 36070), (4805, 28856), (7214, 19220), (7688, 18035), (9610, 14428)]