2905400

素因数分解:

$2^3\times 5^2\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 6882000

約数和(自身を除く): 3976600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 73, 100, 146, 199, 200, 292, 365, 398, 584, 730, 796, 995, 1460, 1592, 1825, 1990, 2920, 3650, 3980, 4975, 7300, 7960, 9950, 14527, 14600, 19900, 29054, 39800, 58108, 72635, 116216, 145270, 290540, 363175, 581080, 726350, 1452700, 2905400]

約数ペア:

[(1, 2905400), (2, 1452700), (4, 726350), (5, 581080), (8, 363175), (10, 290540), (20, 145270), (25, 116216), (40, 72635), (50, 58108), (73, 39800), (100, 29054), (146, 19900), (199, 14600), (200, 14527), (292, 9950), (365, 7960), (398, 7300), (584, 4975), (730, 3980), (796, 3650), (995, 2920), (1460, 1990), (1592, 1825)]