20278996850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{388859}}^1$

素因数の和:389027

約数の個数: 48

約数和(自身を含む): 43396776000

約数和(自身を除く): 23117779150

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 149, 175, 298, 350, 745, 1043, 1490, 2086, 3725, 5215, 7450, 10430, 26075, 52150, 388859, 777718, 1944295, 2722013, 3888590, 5444026, 9721475, 13610065, 19442950, 27220130, 57939991, 68050325, 115879982, 136100650, 289699955, 405579937, 579399910, 811159874, 1448499775, 2027899685, 2896999550, 4055799370, 10139498425, 20278996850]

約数ペア:

[(1, 20278996850), (2, 10139498425), (5, 4055799370), (7, 2896999550), (10, 2027899685), (14, 1448499775), (25, 811159874), (35, 579399910), (50, 405579937), (70, 289699955), (149, 136100650), (175, 115879982), (298, 68050325), (350, 57939991), (745, 27220130), (1043, 19442950), (1490, 13610065), (2086, 9721475), (3725, 5444026), (5215, 3888590), (7450, 2722013), (10430, 1944295), (26075, 777718), (52150, 388859)]