39938380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{463}}^1$

素因数の和:718

約数の個数: 48

約数和(自身を含む): 88865280

約数和(自身を除く): 48926900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 227, 380, 454, 463, 908, 926, 1135, 1852, 2270, 2315, 4313, 4540, 4630, 8626, 8797, 9260, 17252, 17594, 21565, 35188, 43130, 43985, 86260, 87970, 105101, 175940, 210202, 420404, 525505, 1051010, 1996919, 2102020, 3993838, 7987676, 9984595, 19969190, 39938380]

約数ペア:

[(1, 39938380), (2, 19969190), (4, 9984595), (5, 7987676), (10, 3993838), (19, 2102020), (20, 1996919), (38, 1051010), (76, 525505), (95, 420404), (190, 210202), (227, 175940), (380, 105101), (454, 87970), (463, 86260), (908, 43985), (926, 43130), (1135, 35188), (1852, 21565), (2270, 17594), (2315, 17252), (4313, 9260), (4540, 8797), (4630, 8626)]