248694280

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{199}}^2$

素因数の和:566

約数の個数: 48

約数和(自身を含む): 565970220

約数和(自身を除く): 317275940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 199, 314, 398, 628, 785, 796, 995, 1256, 1570, 1592, 1990, 3140, 3980, 6280, 7960, 31243, 39601, 62486, 79202, 124972, 156215, 158404, 198005, 249944, 312430, 316808, 396010, 624860, 792020, 1249720, 1584040, 6217357, 12434714, 24869428, 31086785, 49738856, 62173570, 124347140, 248694280]

約数ペア:

[(1, 248694280), (2, 124347140), (4, 62173570), (5, 49738856), (8, 31086785), (10, 24869428), (20, 12434714), (40, 6217357), (157, 1584040), (199, 1249720), (314, 792020), (398, 624860), (628, 396010), (785, 316808), (796, 312430), (995, 249944), (1256, 198005), (1570, 158404), (1592, 156215), (1990, 124972), (3140, 79202), (3980, 62486), (6280, 39601), (7960, 31243)]