68487020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{25747}}^1$

素因数の和:25782

約数の個数: 48

約数和(自身を含む): 173026560

約数和(自身を除く): 104539540

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, 25747, 51494, 102988, 128735, 180229, 257470, 360458, 489193, 514940, 720916, 901145, 978386, 1802290, 1956772, 2445965, 3424351, 3604580, 4891930, 6848702, 9783860, 13697404, 17121755, 34243510, 68487020]

約数ペア:

[(1, 68487020), (2, 34243510), (4, 17121755), (5, 13697404), (7, 9783860), (10, 6848702), (14, 4891930), (19, 3604580), (20, 3424351), (28, 2445965), (35, 1956772), (38, 1802290), (70, 978386), (76, 901145), (95, 720916), (133, 514940), (140, 489193), (190, 360458), (266, 257470), (380, 180229), (532, 128735), (665, 102988), (1330, 51494), (2660, 25747)]