79776440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2837}}^1$

素因数の和:2904

約数の個数: 64

約数和(自身を含む): 194119200

約数和(自身を除く): 114342760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 37, 38, 40, 74, 76, 95, 148, 152, 185, 190, 296, 370, 380, 703, 740, 760, 1406, 1480, 2812, 2837, 3515, 5624, 5674, 7030, 11348, 14060, 14185, 22696, 28120, 28370, 53903, 56740, 104969, 107806, 113480, 209938, 215612, 269515, 419876, 431224, 524845, 539030, 839752, 1049690, 1078060, 1994411, 2099380, 2156120, 3988822, 4198760, 7977644, 9972055, 15955288, 19944110, 39888220, 79776440]

約数ペア:

[(1, 79776440), (2, 39888220), (4, 19944110), (5, 15955288), (8, 9972055), (10, 7977644), (19, 4198760), (20, 3988822), (37, 2156120), (38, 2099380), (40, 1994411), (74, 1078060), (76, 1049690), (95, 839752), (148, 539030), (152, 524845), (185, 431224), (190, 419876), (296, 269515), (370, 215612), (380, 209938), (703, 113480), (740, 107806), (760, 104969), (1406, 56740), (1480, 53903), (2812, 28370), (2837, 28120), (3515, 22696), (5624, 14185), (5674, 14060), (7030, 11348)]