178763780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{36187}}^1$

素因数の和:36228

約数の個数: 48

約数和(自身を含む): 425570880

約数和(自身を除く): 246807100

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 36187, 72374, 144748, 180935, 361870, 470431, 687553, 723740, 940862, 1375106, 1881724, 2352155, 2750212, 3437765, 4704310, 6875530, 8938189, 9408620, 13751060, 17876378, 35752756, 44690945, 89381890, 178763780]

約数ペア:

[(1, 178763780), (2, 89381890), (4, 44690945), (5, 35752756), (10, 17876378), (13, 13751060), (19, 9408620), (20, 8938189), (26, 6875530), (38, 4704310), (52, 3437765), (65, 2750212), (76, 2352155), (95, 1881724), (130, 1375106), (190, 940862), (247, 723740), (260, 687553), (380, 470431), (494, 361870), (988, 180935), (1235, 144748), (2470, 72374), (4940, 36187)]