2129300

素因数分解:

$2^2\times 5^2\times {\mathrm{107}}^1\times {\mathrm{199}}^1$

素因数の和:320

約数の個数: 36

約数和(自身を含む): 4687200

約数和(自身を除く): 2557900

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 107, 199, 214, 398, 428, 535, 796, 995, 1070, 1990, 2140, 2675, 3980, 4975, 5350, 9950, 10700, 19900, 21293, 42586, 85172, 106465, 212930, 425860, 532325, 1064650, 2129300]

約数ペア:

[(1, 2129300), (2, 1064650), (4, 532325), (5, 425860), (10, 212930), (20, 106465), (25, 85172), (50, 42586), (100, 21293), (107, 19900), (199, 10700), (214, 9950), (398, 5350), (428, 4975), (535, 3980), (796, 2675), (995, 2140), (1070, 1990)]