7817740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2939}}^1$

素因数の和:2974

約数の個数: 48

約数和(自身を含む): 19756800

約数和(自身を除く): 11939060

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 2939, 5878, 11756, 14695, 20573, 29390, 41146, 55841, 58780, 82292, 102865, 111682, 205730, 223364, 279205, 390887, 411460, 558410, 781774, 1116820, 1563548, 1954435, 3908870, 7817740]

約数ペア:

[(1, 7817740), (2, 3908870), (4, 1954435), (5, 1563548), (7, 1116820), (10, 781774), (14, 558410), (19, 411460), (20, 390887), (28, 279205), (35, 223364), (38, 205730), (70, 111682), (76, 102865), (95, 82292), (133, 58780), (140, 55841), (190, 41146), (266, 29390), (380, 20573), (532, 14695), (665, 11756), (1330, 5878), (2660, 2939)]