879812500

素因数分解:

$2^2\times 5^6\times 7^1\times {\mathrm{2011}}^1$

素因数の和:2052

約数の個数: 84

約数和(自身を含む): 2200596832

約数和(自身を除く): 1320784332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 625, 700, 875, 1250, 1750, 2011, 2500, 3125, 3500, 4022, 4375, 6250, 8044, 8750, 10055, 12500, 14077, 15625, 17500, 20110, 21875, 28154, 31250, 40220, 43750, 50275, 56308, 62500, 70385, 87500, 100550, 109375, 140770, 201100, 218750, 251375, 281540, 351925, 437500, 502750, 703850, 1005500, 1256875, 1407700, 1759625, 2513750, 3519250, 5027500, 6284375, 7038500, 8798125, 12568750, 17596250, 25137500, 31421875, 35192500, 43990625, 62843750, 87981250, 125687500, 175962500, 219953125, 439906250, 879812500]

約数ペア:

[(1, 879812500), (2, 439906250), (4, 219953125), (5, 175962500), (7, 125687500), (10, 87981250), (14, 62843750), (20, 43990625), (25, 35192500), (28, 31421875), (35, 25137500), (50, 17596250), (70, 12568750), (100, 8798125), (125, 7038500), (140, 6284375), (175, 5027500), (250, 3519250), (350, 2513750), (500, 1759625), (625, 1407700), (700, 1256875), (875, 1005500), (1250, 703850), (1750, 502750), (2011, 437500), (2500, 351925), (3125, 281540), (3500, 251375), (4022, 218750), (4375, 201100), (6250, 140770), (8044, 109375), (8750, 100550), (10055, 87500), (12500, 70385), (14077, 62500), (15625, 56308), (17500, 50275), (20110, 43750), (21875, 40220), (28154, 31250)]