205035740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{112657}}^1$

素因数の和:112686

約数の個数: 48

約数和(自身を含む): 529943232

約数和(自身を除く): 324907492

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 112657, 225314, 450628, 563285, 788599, 1126570, 1464541, 1577198, 2253140, 2929082, 3154396, 3942995, 5858164, 7322705, 7885990, 10251787, 14645410, 15771980, 20503574, 29290820, 41007148, 51258935, 102517870, 205035740]

約数ペア:

[(1, 205035740), (2, 102517870), (4, 51258935), (5, 41007148), (7, 29290820), (10, 20503574), (13, 15771980), (14, 14645410), (20, 10251787), (26, 7885990), (28, 7322705), (35, 5858164), (52, 3942995), (65, 3154396), (70, 2929082), (91, 2253140), (130, 1577198), (140, 1464541), (182, 1126570), (260, 788599), (364, 563285), (455, 450628), (910, 225314), (1820, 112657)]