78874000

素因数分解:

$2^4\times 5^3\times {\mathrm{113}}^1\times {\mathrm{349}}^1$

素因数の和:485

約数の個数: 80

約数和(自身を含む): 192956400

約数和(自身を除く): 114082400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 113, 125, 200, 226, 250, 349, 400, 452, 500, 565, 698, 904, 1000, 1130, 1396, 1745, 1808, 2000, 2260, 2792, 2825, 3490, 4520, 5584, 5650, 6980, 8725, 9040, 11300, 13960, 14125, 17450, 22600, 27920, 28250, 34900, 39437, 43625, 45200, 56500, 69800, 78874, 87250, 113000, 139600, 157748, 174500, 197185, 226000, 315496, 349000, 394370, 630992, 698000, 788740, 985925, 1577480, 1971850, 3154960, 3943700, 4929625, 7887400, 9859250, 15774800, 19718500, 39437000, 78874000]

約数ペア:

[(1, 78874000), (2, 39437000), (4, 19718500), (5, 15774800), (8, 9859250), (10, 7887400), (16, 4929625), (20, 3943700), (25, 3154960), (40, 1971850), (50, 1577480), (80, 985925), (100, 788740), (113, 698000), (125, 630992), (200, 394370), (226, 349000), (250, 315496), (349, 226000), (400, 197185), (452, 174500), (500, 157748), (565, 139600), (698, 113000), (904, 87250), (1000, 78874), (1130, 69800), (1396, 56500), (1745, 45200), (1808, 43625), (2000, 39437), (2260, 34900), (2792, 28250), (2825, 27920), (3490, 22600), (4520, 17450), (5584, 14125), (5650, 13960), (6980, 11300), (8725, 9040)]