99898000

素因数分解:

$2^4\times 5^3\times {\mathrm{199}}^1\times {\mathrm{251}}^1$

素因数の和:473

約数の個数: 80

約数和(自身を含む): 243734400

約数和(自身を除く): 143836400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 199, 200, 250, 251, 398, 400, 500, 502, 796, 995, 1000, 1004, 1255, 1592, 1990, 2000, 2008, 2510, 3184, 3980, 4016, 4975, 5020, 6275, 7960, 9950, 10040, 12550, 15920, 19900, 20080, 24875, 25100, 31375, 39800, 49750, 49949, 50200, 62750, 79600, 99500, 99898, 100400, 125500, 199000, 199796, 249745, 251000, 398000, 399592, 499490, 502000, 799184, 998980, 1248725, 1997960, 2497450, 3995920, 4994900, 6243625, 9989800, 12487250, 19979600, 24974500, 49949000, 99898000]

約数ペア:

[(1, 99898000), (2, 49949000), (4, 24974500), (5, 19979600), (8, 12487250), (10, 9989800), (16, 6243625), (20, 4994900), (25, 3995920), (40, 2497450), (50, 1997960), (80, 1248725), (100, 998980), (125, 799184), (199, 502000), (200, 499490), (250, 399592), (251, 398000), (398, 251000), (400, 249745), (500, 199796), (502, 199000), (796, 125500), (995, 100400), (1000, 99898), (1004, 99500), (1255, 79600), (1592, 62750), (1990, 50200), (2000, 49949), (2008, 49750), (2510, 39800), (3184, 31375), (3980, 25100), (4016, 24875), (4975, 20080), (5020, 19900), (6275, 15920), (7960, 12550), (9950, 10040)]