311492710

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1\times {\mathrm{997}}^1$

素因数の和:1360

約数の個数: 32

約数和(自身を含む): 567662400

約数和(自身を除く): 256169690

約数列:

[1, 2, 5, 10, 157, 199, 314, 398, 785, 995, 997, 1570, 1990, 1994, 4985, 9970, 31243, 62486, 156215, 156529, 198403, 312430, 313058, 396806, 782645, 992015, 1565290, 1984030, 31149271, 62298542, 155746355, 311492710]

約数ペア:

[(1, 311492710), (2, 155746355), (5, 62298542), (10, 31149271), (157, 1984030), (199, 1565290), (314, 992015), (398, 782645), (785, 396806), (995, 313058), (997, 312430), (1570, 198403), (1990, 156529), (1994, 156215), (4985, 62486), (9970, 31243)]