2457650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:243

約数の個数: 48

約数和(自身を含む): 5208000

約数和(自身を除く): 2750350

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 38, 50, 65, 95, 130, 190, 199, 247, 325, 398, 475, 494, 650, 950, 995, 1235, 1990, 2470, 2587, 3781, 4975, 5174, 6175, 7562, 9950, 12350, 12935, 18905, 25870, 37810, 49153, 64675, 94525, 98306, 129350, 189050, 245765, 491530, 1228825, 2457650]

約数ペア:

[(1, 2457650), (2, 1228825), (5, 491530), (10, 245765), (13, 189050), (19, 129350), (25, 98306), (26, 94525), (38, 64675), (50, 49153), (65, 37810), (95, 25870), (130, 18905), (190, 12935), (199, 12350), (247, 9950), (325, 7562), (398, 6175), (475, 5174), (494, 4975), (650, 3781), (950, 2587), (995, 2470), (1235, 1990)]