129552980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{757}}^1$

素因数の和:1008

約数の個数: 48

約数和(自身を含む): 280156800

約数和(自身を除く): 150603820

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 199, 215, 398, 430, 757, 796, 860, 995, 1514, 1990, 3028, 3785, 3980, 7570, 8557, 15140, 17114, 32551, 34228, 42785, 65102, 85570, 130204, 150643, 162755, 171140, 301286, 325510, 602572, 651020, 753215, 1506430, 3012860, 6477649, 12955298, 25910596, 32388245, 64776490, 129552980]

約数ペア:

[(1, 129552980), (2, 64776490), (4, 32388245), (5, 25910596), (10, 12955298), (20, 6477649), (43, 3012860), (86, 1506430), (172, 753215), (199, 651020), (215, 602572), (398, 325510), (430, 301286), (757, 171140), (796, 162755), (860, 150643), (995, 130204), (1514, 85570), (1990, 65102), (3028, 42785), (3785, 34228), (3980, 32551), (7570, 17114), (8557, 15140)]