139246240

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{17761}}^1$

素因数の和:17790

約数の個数: 72

約数和(自身を含む): 382700052

約数和(自身を除く): 243453812

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 17761, 35522, 71044, 88805, 124327, 142088, 177610, 248654, 284176, 355220, 497308, 568352, 621635, 710440, 870289, 994616, 1243270, 1420880, 1740578, 1989232, 2486540, 2841760, 3481156, 3978464, 4351445, 4973080, 6962312, 8702890, 9946160, 13924624, 17405780, 19892320, 27849248, 34811560, 69623120, 139246240]

約数ペア:

[(1, 139246240), (2, 69623120), (4, 34811560), (5, 27849248), (7, 19892320), (8, 17405780), (10, 13924624), (14, 9946160), (16, 8702890), (20, 6962312), (28, 4973080), (32, 4351445), (35, 3978464), (40, 3481156), (49, 2841760), (56, 2486540), (70, 1989232), (80, 1740578), (98, 1420880), (112, 1243270), (140, 994616), (160, 870289), (196, 710440), (224, 621635), (245, 568352), (280, 497308), (392, 355220), (490, 284176), (560, 248654), (784, 177610), (980, 142088), (1120, 124327), (1568, 88805), (1960, 71044), (3920, 35522), (7840, 17761)]