7989850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:295

約数の個数: 48

約数和(自身を含む): 16516800

約数和(自身を除く): 8526950

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 73, 110, 146, 199, 275, 365, 398, 550, 730, 803, 995, 1606, 1825, 1990, 2189, 3650, 4015, 4378, 4975, 8030, 9950, 10945, 14527, 20075, 21890, 29054, 40150, 54725, 72635, 109450, 145270, 159797, 319594, 363175, 726350, 798985, 1597970, 3994925, 7989850]

約数ペア:

[(1, 7989850), (2, 3994925), (5, 1597970), (10, 798985), (11, 726350), (22, 363175), (25, 319594), (50, 159797), (55, 145270), (73, 109450), (110, 72635), (146, 54725), (199, 40150), (275, 29054), (365, 21890), (398, 20075), (550, 14527), (730, 10945), (803, 9950), (995, 8030), (1606, 4975), (1825, 4378), (1990, 4015), (2189, 3650)]