207956140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{78179}}^1$

素因数の和:78214

約数の個数: 48

約数和(自身を含む): 525369600

約数和(自身を除く): 317413460

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, 78179, 156358, 312716, 390895, 547253, 781790, 1094506, 1485401, 1563580, 2189012, 2736265, 2970802, 5472530, 5941604, 7427005, 10397807, 10945060, 14854010, 20795614, 29708020, 41591228, 51989035, 103978070, 207956140]

約数ペア:

[(1, 207956140), (2, 103978070), (4, 51989035), (5, 41591228), (7, 29708020), (10, 20795614), (14, 14854010), (19, 10945060), (20, 10397807), (28, 7427005), (35, 5941604), (38, 5472530), (70, 2970802), (76, 2736265), (95, 2189012), (133, 1563580), (140, 1485401), (190, 1094506), (266, 781790), (380, 547253), (532, 390895), (665, 312716), (1330, 156358), (2660, 78179)]